Paleomagnetism stands as evidence of seafloor spreading.
In a process known as seafloor spreading, older rocks are moved away from the mid-oceanic ridge while new oceanic crust is gradually added to the ocean floor as a result of volcanic activity. Seafloor spreading takes place near the mid-ocean ridge, where tectonic plates—vast slabs of the lithosphere of the Earth—split apart from one another.
The region where new oceanic crust is produced is the mid-ocean ridge. Rocks that make up the oceanic crust move away from the ridge as new crust is created. The molten material (magma) ascending by convection current from the mantle is what causes the new crust to form. The existing rocks on the ridge are equally pushed away from it in both directions as the molten lava cools upon reaching the oceanic crust.
The ocean floor then spreads as a result of the formation of a younger oceanic crust.
The explanation for how continents and the crust that lies beneath them move comes from the hypothesis of seafloor spreading given by Harry Hess.
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If you were to interpret the odyssey through an analytic point of view, what would your interpretation be of its authorship?
Using the theories of authorship, we got that heroic, leadership, courage etc. are the interpretation of odyssey authorship through an analytic point of view.
The Odyssey is actually narrated from a third-person point of view by a narrator who has invoked the divine authority of Muse, which allows the narrator to know everything and understand all characters’ thoughts and feelings. The poem actually begins “Sing to me of the man, Muse, the man of twists and turns…” establishing the point of view that is all-seeing, all-knowing, and close to the divine. The poem shifts between the narrative passages and the direct speech, sometimes quoting one character within another character’s speech, such as when the Menelaus includes several direct quotes from other characters in his lengthy speech to the Telemachus in Book 4.
Hence, if I were to interpret the odyssey through an analytic point of view, then according to me interpretation of its authorship are-heroic, leadership, courage etc.
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ost north atlantic hurricanes eventually move somewhat northward. group of answer choices true false
Most north Atlantic hurricanes move northward.
The given statement is True.
What do you mean by north Atlantic hurricanes?
Hurricane type storms that usually occur in the Northern Atlantic Ocean and northeast Pacific Ocean are called Hurricanes.
They are usually formed in the coast of Africa and after combining with strong gusty wind moves toward westward and poleward and then towards the east coast of North America/ Gulf of Mexico. The major directions of movements are North and North east.
The ones which are formed between 5-30 N can move towards the West , which is an exception.
Hence, Most north Atlantic hurricanes move northward.
The given statement is True.
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if tectonic deformation near a subduction zone is uplifting a mountain range at a rate of 1 mm/yr, how much uplift will occur in one million years?
If tectonic deformation near a subduction zone is uplifting a mountain range at a rate of 1 mm/yr, 1 kilometer uplift will occur in one million years.
Tectonic plates, large slabs of rock that divide Earth's crust, flow continuously to reshape the Earth's panorama. The system of thoughts behind plate tectonics principle shows that Earth's outer shell (lithosphere) is divided into numerous plates that float over the Earth's rocky internal layer above the soft center (mantle).
Tectonics are the approaches that control the shape and properties of the Earth's crust and its evolution via time.
Magma is the molten rock below the crust, inside the mantle. extremely good heat and strain inside the earth cause the hot magma to go with the flow in convection currents. these currents reason the motion of the tectonic plates that make up the earth's crust.
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What is the recurrence interval of megathrust earthquakes along the cascadia subduction zone?.
The Cascadia subduction zone has experienced 13 megathrust earthquake events have been identified in the last 6000 years, an average one every 500 to 600 years.
When one tectonic plate is driven beneath another near convergent plate borders, an earthquake known as a megathrust occurs. Slip along the thrust fault that creates the plate contact is what causes the earthquakes. These interplate earthquakes have moment magnitudes (Mw) that can approach 9.0, making them the strongest on the globe. Megathrust earthquakes have made up all earthquakes with a magnitude of nine or above since 1900. Many times, the thrust faults that cause megathrust earthquakes are found near the bottom of oceanic trenches; in such circumstances, the earthquakes have the potential to quickly shift the sea floor over a considerable area. As a result, tsunamis produced by megathrust earthquakes frequently cause much greater damage than the earthquakes themselves. Teletsunamis can destroy locations far from the initial earthquake by spanning ocean basins.
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Where does Peru's largest area of lowlands lie in relation to the equator? Use the word "latitude" in your answer.
The lowland jungle, or Selva Baja in Spanish, is sometimes referred to as the Omagua region, the Walla, the Anti, the Amazonian rainforest, or the Amazon basin. With an elevation of between 80 and 1,000 meters above sea level, this ecoregion is the largest in all of Peru. This lowland is located at latitudes 5.1151° S and 78.1108° W.
What is the Amazonia of Peru?The area known as Amazonia, which makes up more than three-fifths of Peru's land area, is formed when the lower slopes of the western Andes converge with the densely forested tropical lowlands of the Amazon Region.
Rolling hills and flat plains make up the region's physiography, which stretches eastward to the borders with Bolivia, Brazil, and Colombia. The elevations are generally low, ranging from roughly 260 feet (80 meters) above sea level along the Amazon River at the Peru-Brazil border to about 3,300 feet (1,000 meters) in the eastern tip of the Andes.
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The edgecumbe volcano is showing signs of activity after being dormant for over 800 years. Which state is it in?.
The Edgecumbe volcano which is showing signs of activity after being dormant for over 800 years is located at United State of America.
What is the meaning of volcano ?
Volcano is earth's surface that is higher than the surrounding area and has fractures or craters where magma, gas, or material comes out or interpreted as a channel system of hot fluid or rock in the form of liquid or lava which starts at a depth of 10 km below the earth's surface and extends to the earth's surface.
What is The Edgecumbe volcano ?
The Edgecumbe volcano is a volcano located at Alaska, United State of America. It has a height of 976 m. This mountain belongs to the dacite Stratovolcano type. Stratovolcano typed mountain is a volcanic mountain consisting of several layers of lava and tephra and has a conical or steep shape. The researchers made observations on the number of small earthquakes in 2022 after 800 years the volcano was dormant. This is related to the occurrence of deformation since 2018 which indicates magma intrusion at a depth of 5 km below the earth's surface which has no potential for eruption as long as the magma does not rise closer to the earth's surface.
In conclusion, the Edgecumbe volcano which is showing signs of activity after being dormant for over 800 years is located in a state namely the United State of America.
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The Edgecumbe volcano, which has lain dormant for more than 800 years, is situated in the United States of America.
The Edgecumbe Volcano: What is it?The Edgecumbe volcano is a volcano that can be found in Alaska, in the United States. It is 976 meters tall. The type of mountain in question is a dacite stratovolcano. A conical or steep-sided volcano with multiple layers of lava and tephra is known as a stratovolcano type of mountain.
After the volcano had been dormant for 800 years, the researchers recorded the number of small earthquakes that occurred in 2022. This is connected to the deformation that has been observed since 2018, which suggests magma intrusion at a depth of 5 km below the earth's surface. As long as the magma does not rise closer to the earth's surface, there is no risk of an eruption.
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water usage in arid regions - phoenix, az. how, in part, are all of the lush yards/golf courses and the large human population supported? turn on the problem 7 folder to see all seven! a. landslides b. marinas c. dams d. wildlife sanctuaries
Option C; water usage in arid regions the large human population supported Dams are used.
It is because there are two major dams in the figure which are Salt river dam and Colorado river dams which provide water supply to Phoenix, Arizona. Other options are wrong because landslides and wildlife sanctuaries can never be the source of water supply and there are no marinas on the image above for water supply to Phoenix.
A dam is a building placed across a river or stream to keep water from flowing further. Over the years, people have constructed dams using a variety of materials. Natural resources like rocks or clay were utilized to build ancient dams. Concrete is frequently used to construct dams today.
Reservoirs are man-made lakes produced by man-built dams. Water can be kept in reservoirs for domestic, industrial, and agricultural usage. Additionally, they can be utilized for recreational activities like boating and fishing. For many ages, people have utilised dams to help stop flooding. Dam construction may have been pioneered by the ancient Mesopotamians. Jawa Dam in modern-day Jordan is the oldest dam that is currently known to exist. It was constructed in the 4th century B.C.E. Dams provide farmers a source of water.
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How is Jamaica closing the development gap?
The travel industry gets cash to Jamaica - 20% of its Gross domestic product - this cash can be spent on fundamental administrations, for example, medical services and instruction which can help the general degree of advancement.
In preparation for independence, Jamaican leaders established the government structure following World War II.Bustamante was made premier after his party won the election in 1962.Bustamante became Jamaica's first prime minister in the year that the UK Parliament granted the country its independence.
There have been significant interests in foundation to oblige vacationers.Airports and road infrastructure have also seen expansions, as have port facilities.However, road construction came much later because cruise ship catering was prioritized.This has not gone over well with some hotel proprietors.Investment, tourism, industrial development, aid, debt relief, microfinance loans, intermediate technology, Fairtrade, and other strategies can help close the development gap.
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What is the image point of (-9,-2)(−9,−2) after a translation left 4 units and down 3 units?
Explain the physical geography of Kuwait and how it impacts the people of the country?
In the Treaty of Uqair, signed in 1922, Britain established Kuwait's 222-kilometer border with Saudi Arabia. At that time, a neutral zone was created, and it was divided in 1966.
Long disputed, Kuwait's 240-kilometer border with Iraq. In 1938, not long after Kuwait's commercial oil discovery, Iraq made its first claim to the country. Despite officially recognizing Kuwait in 1963, Iraq persisted in putting pressure on that country to allow access to the vital islands of Bubiyan and Warba.Annual rainfall varies greatly. November through April are the rainy months. Rainfall during this time can come down in torrents. The highest relative humidity levels occur during the winter and frequently exceed 90% in January.to learn more about Kuwait, refer to, https://brainly.com/question/24353331
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What are 3 pieces of evidence that show that glaciers and ice sheets once covered much more of the land surface than they do today?.
Answer:
Geological evidence for ice ages comes in various forms, including rock scouring and scratching, glacial moraines, drumlins, valley cutting, and the deposition of till or tillites and glacial erratics
Explanation:
I've had this question before :) Hope it helps
The pieces of evidence that suggest glaciers and ice sheets once covered much more of the land surface than they do today are Glacial landforms; Striations and polishing and Sediment cores.
What are glaciers?Glaciers are large masses of ice that form over many years from the accumulation of snow and ice in areas where the amount of snowfall exceeds the amount of snow and ice that melts.
Glaciers play an important role in the Earth's climate system by reflecting sunlight back into space and helping to regulate the temperature of the planet. The study of glaciers is an important field of research in geology, climatology, and other related sciences
The combination of glacial landforms, striations and polishing, and sediment cores provide strong evidence that glaciers and ice sheets were once covered with much more of the land surface than they do today.
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What is a highland?pleas help
Answer:
A highland is an area of high and mountinous lands.
Explanation:
What is the best definition for the origin?
one of four regions into which a coordinate plane is divided
O the point where the x-axis and the axis intersect on a coordinate plane
the set of coordinates that indicates the position of a point on a coordinate plane
a plane that is divided into four regions by a horizontal line, called the x-axis, and a vertical line, called the y-axis
When sea ice forms, what happens to the salinity of the ice and the surrounding seawater?.
This process is known as thermohaline circulation. In the Earth's polar regions ocean water gets very cold, forming sea ice. As a consequence, the surrounding seawater gets saltier, because when sea ice forms, the salt is left behind.
Seawater, or salt water, is water from a sea or ocean. On average, seawater in the global's oceans has a salinity of approximately three.Five% (35 g/L, 35 ppt, six hundred mM). This means that each kilogram (roughly one liter by way of quantity) of seawater has about 35 grams (1.2 oz) of dissolved salts (predominantly sodium (Na+) and chloride (Cl−) ions). The average density on the floor is 1.1/2 kg/L. Seawater is denser than both sparkling water and pure water (density 1.0 kg/L at 4 °C (39 °F)) due to the fact that dissolved salts increase the mass by using a larger share than the quantity. The freezing point of seawater decreases as salt awareness will increase. At ordinary salinity, it freezes at approximately −2 °C (28 °F).
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The __________ ocean is west of africa. a. arctic b. atlantic c. indian d. pacific please select the best answer from the choices provided. a b c d
The Atlantic Ocean is west of Africa. Option b is the correct answer
Oceans are defined as interconnected bodies of salt water covering the majority of the Earth’s surface. Oceans on Earth contribute 71 percent of Earth’s surface and 90% of the Earth’s biosphere. The world ocean is the habitat of millions of species, the principal component of the hydrosphere, forms part of the carbon cycle, and influences weather and climate patterns. The world ocean is divided into 5 oceans namely the Pacific, Atlantic, Indian, Southern, and Arctic oceans.
The Atlantic Ocean is the second-largest ocean with about 23.3% volume of the World Ocean. It majorly separates the Americas from Europe and Africa.
The Arctic Ocean is the fifth largest ocean with only 1.4% of the World’s Ocean. This Ocean borders Northern North America and Eurasia and covers much of the Arctic region. Thus, in the West of Africa lies the Atlantic Ocean, and in the East of Africa lies the Indian Ocean. On the East of the Americas lies the Atlantic Ocean and the East side of America faces the Pacific Ocean and the Arctic Ocean on the northern end and the Southern Ocean at the southernmost end of America.
Hence, the Atlantic Ocean lies on the western side of Africa
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The correct answer about the ocean in west africa is (B) Atlantic Ocean.
The Atlantic Ocean is the second largest ocean in the world, covering about 1/5 of the Earth's surface. It is estimated that the area of this ocean covers 106,450,000 km² when calculated with the area of the surrounding ocean.
This ocean extends from the northern to the southern hemisphere, Atlantic is divided in two by the equator into the North Atlantic and South Atlantic, bounded by North America and South America in the western ocean and Europe and Africa in the eastern ocean. This means that this ocean is located in the western part of Africa and europe and stretches towards the east coast of America.
Apart from the Atlantic Ocean, There are several other oceans on Earth, namely:
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Describe what archeological evidence left behind on the desert plateau reveals about migration patterns of the Nasca culture.
Geoglyphs may have been used by ancient people to identify the position of their groundwater distribution system,
What archeological evidence behind on the plateau reveals?The phrase “archaeological record” is used in archaeology to refer to all types of archaeological evidence, including the tangible traces of earlier human activity, that are collected.
Cataloged by archaeologists in an effort to understand and rebuild the past. It primarily refers to buried remains discovered after excavation.
Therefore, since the springs and seeps connected to the faults offered a more dependable and, in some cases, higher-quality water source than the rivers.
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The tropical rain forests in equatorial africa receive the greatest amount of rainfall of the entire continent, yet agriculture in these regions was limited. Why?.
In tropical rain forests, maximum rainfall occur all year along, yet the agriculture was limited in the regions of equatorial African due limited resources that support agriculture.
Tropical rain forests also called wettest ecosystems are found in tropical climatic regions without any dry season.
In the regions of tropical rain forests, average amount of precipitation i.e. 60mm takes place during all months.
Generally, these are also known as 'evergreen forests'.
Other characteristics of tropical rain forests include high rainfall, poor soil for agriculture, high temperature and rick levels of biomes and biodiversity.
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Describe and relate the distribution of active volcanoes, earthquake epicenters, and major mountain belts to plate tectonic theory.
There is a great interrelation distribution of active volcanoes, earthquake epicenters, and major mountain belts and plate tectonic theory.
What is plate tectonic theory?
Alfred Wegener was the first who gave the theory of plate tectonics. According to this theory, the lithosphere, which is typically 100 km thick and sits on top of the asthenosphere, is said to be Earth's outermost, unyielding layer. The lithosphere is divided into several small plates, six or seven medium-sized regional plates, and seven extremely massive continental and oceanic plates. These plates interact at their boundaries as they converge, diverge, or slip past one another as they move relative to one another by 2 to 4 inches every year. Although earthquakes and volcanoes can occur in plate interiors, these interactions are regarded to be the main cause of the majority of Earth's seismic and volcanic activity.
So, the active volcanoes, major mountain belts, and earthquake epicenters are the products of plate tectonics, as when plates converge it forms mountain, if plates diverge it forms oceans, and so on.
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the accompanying photo shows sea ice in the beaufort sea near barrow, alaska. how do seasonal changes in the amount of sea ice influence the salinity of the remaining surface water? is water density greater before or after sea ice forms? explain.
Using the theories of density, we got that seasonal changes decreases the salinity of the water as the season becomes warmer. Seasonal changes in the amount of sea ice influence the density as Water density is greater than previous before ice forms.
As the season becomes warmer, the ice will melt leading to decrease in salinity of the water. This affects the density of the water. the density reduces. water density increases as ice formation takes place.
As the winter time evolution of the sea the ice thickness distribution is controlled by localized deformation events, there is the need to understand the mechanisms controlling the sea ice deformation at the lead scale. Models of pack ice relate the opening and ridging rates to surface stresses on pack ice, typically on the scales of 100 km2 and days. Sea ice models are now being developed is to actually resolve higher resolutions, 10 km2 .
Hence, the accompanying photo shows sea ice in the Beaufort sea near barrow, Alaska, seasonal changes in the amount of sea ice decreases the salinity of the water decreases as the season becomes warmer. Water density is greater than before after the ice forms.
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Which processes are important in the formation of volcanic arcs at the edge of continental plates? select the two correct answers. (1 point).
Uplift and Subduction are two processes which are important in the formation of volcanic arcs at the edge of continental plates.
Why is Uplift and Subduction important in the formation of volcanic arcs?
Deep pits can be formed by these subduction zones. The pressure and temperature around the denser plate edge grow as it descends, changing the structure of the plate and melting the mantle above it. Melted rock then rises through the plate, occasionally erupting as a volcano. Both uplift and sinking may arise through plate tectonic motions, which include the formation of mountains, or from the gravitational adjustment of the Earth's crust as a consequence of the removal or addition of material, such as ice or sediment, which causes uplift or sinking. The upper thermocline's rate of ventilation, as well as the top ocean's water-mass organization and stratification, are all governed by the subduction process.
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Identify the land formation associated with each type of fault. East african rift valley san andreas fault the himalayas.
The land formation associated with each type of fault are :-the first one is image is the San Andreas Fault, the second image is the Himalayas ,the third image is East African Rift Valley.
A fault is a fracture or region of fractures among blocks of rock. Faults permit the blocks to transport relative to each different. This motion can also arise rapidly, inside the form of an earthquake - or may also arise slowly, in the shape of creep. Faults may additionally range in duration from a few millimeters to hundreds of kilometers.
In geology, a fault is a planar fracture or discontinuity in a quantity of rock across which there was significant displacement because of rock-mass movements.
Fault zones manipulate the place, structure and evolution of a broad variety of geological functions, act as conduits for the centered migration of economically important fluids and, as most seismicity is related to energetic faults, they also represent one of the maximum important global geological risks.
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compare and contrast the physical traits of canada and russia in a 125 word essay
Based on Geographical information, the physical traits of Canada and Russia include the fact Canada is located in North America, while Russia is located in Europe and Asia continent.
Physical Traits of a CountryThe physical trait of the country consists of the physical characteristic of the country such as the location, land mass, and population, among others.
Typically, the physical traits of Canada are different from the physical traits of Russia in many ways.
The difference in Physical traits between Russia and Canada Canada is in North America, while Russia is in Europe and AsiaCanada has a land mass size of 9.09 million sq km while Russia has a land mass size of 17 million sq km.Canada's climate varies from temperate in the south to subarctic and arctic in the north, while the Russian climate ranges from steppes in the south through humid continental in much of European Russia.Canada's natural resources include iron ore, nickel, zinc, copper, gold, lead, etc., while that of Russia includes oil, natural gas, coal, etc.Canada's terrain is characterized by plains with mountains in the west and lowlands in the southeast, while Russia's terrain has a broad plain with low hills west of the Urals; a vast coniferous forest, and a tundra in Siberia.Hence, in this case, it is concluded that Canada and Russia differ in many ways.
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The great rift valley is a large land fracture that extends 3000 kilometers across the african continent. What process formed the great rift valley?.
The great rift valley is a large piece of land extending 3000 kilometers across the African continent. The process which formed the great rift valley is called Seafloor spreading.
The great rift valley is a well-known enormous land fragment that is extended between Asia and Southeast Asia.
It's length is almost 7000 kilometers and is an adjacent geographic land comprising large number of trenches.
Furthermore, it is also referred to as one of the great and magnificent details on planet earth that can be seen from space and also called the wonders of the world.
To put it simply, great rift valley is a deep valley located between north and south regions and runs around 4,000 miles.
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what does the strike and dip of a rock represent? strike is the offset of fault and dip in the area exposed by the faulting. dip is the angle of greatest inclination down from horizontal and strike is the angle from true north or true south of a horizontal line on the stratum. strike is the angle by which a rock is hit by a rock hammer. dip is the thickness of the bed and strike is how steeply it is inclined.
Strike and dip are measurements of the orientation and slope of a rock. Geologists use these measurements to map geologic structures. The dip of a rock is the angle between the horizontal and the slope of the rock.
current rock is an umbrella term used to explain rock music this is located on college rock radio stations. a few radio stations use this time period to differentiate themselves from conventional rock, that is based totally in the 1960s–Nineteen Eighties rock tune. Petrologists take a look at rocks. Structural geologist have a look at how plate tectonics moves and squishes rocks. Paleontologists take a look at Earth records and fossils.A rock is a stable mass of geological materials. Geological substances consist of person mineral crystals, inorganic non-mineral solids like glass, portions damaged from other rocks, and even fossils.Learn more about Geologists here: https://brainly.com/question/1126986
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In your own words, describe the characteristics of three potential volcanic hazards that
are most likely to impact cities in Washington or Oregon. On the basis of your
understanding of volcanic hazards, discuss which of the three hazards represents the
greatest threat to residents. (Use at least five complete sentences in your response.)
Answer:
By Emptys0ul
Type Tectonic Setting Size and Shape Magma and Eruption
Cinder cone
Various; some form on the flanks of larger volcanoes Small (10s to 100s of m) and steep (>20°) Most are mafic and form from the gas-rich early stages of a shield- or rift-associated eruption Eve Cone, northern B.C.
Composite volcano
__________________________________________________________
Almost all are at subduction zones Medium size (1000s of m) and moderate steepness (10° to 30°) Magma composition varies from felsic to mafic, and from explosive to effusive Mt. St. Helens
__________________________________________________________
Shield volcano
Most are at mantle plumes; some are on spreading ridges Large (up to several 1,000 m high and 200 km across), not steep (typically 2° to 10°) Magma is almost always mafic, and eruptions are typically effusive, although cinder cones are common on the flanks of shield volcanoes Kilauea, Hawaii
Large igneous provinces
"Associated with “super” mantle plumes Enormous (up to millions of km2) and 100s of m thick Magma is always mafic and individual flows can be 10s of m thick Columbia River basalts"
Sea-floor volcanism
Generally associated with spreading ridges but also with mantle plumes Large areas of the sea floor associated with spreading ridges At typical eruption rates, pillows form; at faster rates, lava flows develop Juan de Fuca ridge
Kimberlite
(Upper-mantle sourced The remnants are typically 10s to 100s of m across Most appear to have had explosive eruptions forming cinder cones; the youngest one is over 10 ka old, and all others are over 30 Ma old. Lac de Gras Kimberlite Field, N.W.T.)
End
however some of these volcanoes described might not be active but still are very dangerous.
fairbanks, al is at a latitude of 65 on, while honolulu, hi is at latitude 21 on. so which state has the higher record high temperature: alaska or hawaii? (and how can that possibly be?)
Alaska and Hawaii both have the same higher temperature , which is 100 degree Celsius. Alaska set a record on July 27 and Hawaii record was occured on April 27 near Pahala.
Why do we have temperature variation
Temperature variations can be defined as temperature change between a high air and a low air that occurs during the same day.
This concept can even be applied to different areas as it is based on several important factors.
It depends upon
LatitudeAltitudeAngle of sun's raysDistance from the seaDistance from the EquatorAir pressureThese influences the temperature on various areas, in this case Alaska and Hawaii
Hence, Alaska and Hawaii both have the same higher temperature , which is 100 degree Celsius. Alaska set a record on July 27 and Hawaii record was occured on April 27 near Pahala
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Find the measure of the missing angle. 21
Answer:
let it be x
the missing angle is 69°
what conclusions does the total radiative forcing tell you about how the climate has changed? use 2-4 sentences for your response
The fact that the radiative forcing is positive (1.84 W m-2), therefore, indicates that the climate has warmed. It is also just a little bit higher than the diagram's bottom best estimate of the total anthropogenic term (1.6 W m-2). This indicates that humans are to blame for the majority of the warming.
What is climate change?
Long-term changes in temperature and weather patterns are referred to as climate change. These changes could be caused by natural processes, such oscillations in the solar cycle. But since the 1800s, human activities—primarily the combustion of fossil fuels like coal, oil, and gas—have been the primary cause of climate change.
Fossil fuel combustion produces greenhouse gas emissions that serve as a blanket around the planet, trapping heat from the sun and increasing temperatures.
Carbon dioxide and methane are two examples of greenhouse gas emissions that are contributing to climate change. These are produced, for instance, while burning coal or gasoline to heat a building. Carbon dioxide can also be released during forest and land clearing. Methane emissions are primarily produced by waste landfills. Among the major emitters are energy, industry, transportation, buildings, agriculture, and land use.
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Compare and contrast primary and secondary succession of an ecosystem. What is the distinction between them?.
The fairly predictable change in the species composition of a specific area is known as ecological succession, which includes primary and secondary succession.
An ecosystem may be defined as the place where the biotic and the abiotic components live and interact with one another. There are many types of ecosystems like the Pond ecosystem, land ecosystem, etc. Primary succession begins on a bare rock, or newly cooled lava where the soil is just formed for the first time. It has a slow rate of establishment. The pioneer species in primary succession are lichens and mosses. Biomass is initially low. Secondary succession occurs in areas where a pre settled community has been destroyed such as the areas abandoned due to floods, forest fires etc. In such places, the soil already has adequate nutrients. Biomass is high. Seeds and roots are already present. Pioneer species are already existing flora and fauna.
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What does it mean to have all this glacier ice retreating in mendenhall glacier
Answer:
its annual rate of melt began to exceed its annual total accumulation.
Explanation:
