The magma beneath Mount St. Helens is generally more viscous than the magma beneath Kilauea due to differences in silica content.
Helens is located in the Cascades Volcanic Arc, a region characterized by subduction of oceanic crust beneath the North American Plate. The magma beneath Mount St. Helens is typically andesitic to dacitic in composition, which means it has a relatively high silica content. Higher silica content leads to a higher viscosity, which means that the magma is more resistant to flow.
Kilauea, on the other hand, is a shield volcano located in Hawaii, which is formed by hotspot volcanism. The magma beneath Kilauea is typically basaltic in composition, which means it has a lower silica content than the magma beneath Mount St. Helens. Lower silica content leads to a lower viscosity, which means that the magma is more fluid and can flow more easily.
Therefore, the magma beneath Mount St. Helens is more viscous than the magma beneath Kilauea due to differences in silica content.
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how high does the richter scale go for earthquakes
In theory,the Richter scale has no upper limit, but in practice, no earthquake on the scale above magnitude 8.6 has ever been recorded. That was the Richter magnitude for the 1960 Chile earthquake.
The Richter scale does NOT go from 1 to 10, nor between any limits. Earthquakes of magnitude 0 and smaller happen all the time. In fact, the smaller they are,the more frequently they occur, but the instrumental detection limit extends only around magnitude.Although the Richter Scale does not have an upper limit, the largest known shocks have had magnitudes in the 8.8 to 8.9 range. Recently, another scale called the moment magnitude scale has been devised for a more precise study of large earthquakes.Negligible damage in buildings of good design and light to moderate construction in ordinary well-constructed structures considerable damage to poorly built or poorly designed structures some broken chimneys.
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what is the study of the distribution and interaction of physical and human features on the earth?
The study of places and the interactions between people and their environments is known as geography. Geographers study both the physical properties of the Earth's surface and the human societies that inhabit it.
Geography was not recognized as a formal academic discipline until the 18th century, despite the fact that many scholars had been conducting geographical research for much longer, particularly through cartography.
Although the Royal Geographical Society was founded in England in 1830,[4] the United Kingdom did not receive its first full Chair of geography until 1917. Halford John Mackinder, appointed reader at Oxford University in 1887, was the first true geographical intellect to emerge in the United Kingdom.
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a nasa orbiter recently captured craters and formations on mars that resembled the face of which animal?
Recently, a NASA orbiter captured several craters and formations on the surface of Mars that resembled the face of a lion.
The animal that the craters and formations on Mars resembled was a lion.
The features included a large crater that resembled the lion’s nose, a smaller crater that resembled the lion’s eye, and several ridges and hills that resembled the lion’s mane and fur. While the resemblance was likely just a coincidence, it still drew the attention of many news outlets and space enthusiasts alike.
This is just the latest of many strange and fascinating discoveries that have been made on Mars, and it serves as a reminder of the wonders that the planet still holds.
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Why does Eastern Europe have a harsher climate?
Answer: farther from the Atlantic Ocean.
Explanation:
how does the netherlands continue to grow in land size without acquiring more land?
Because it is primarily below sea level, the Netherlands is susceptible to flooding from the North Sea and the numerous rivers that run through it.
In order to prevent famine and starvation, more food will be required if the global population continues to increase because there will be more mouths to feed. More land will be required for agricultural production as a result of the demand for increased food production, which will require more agricultural production.
Overall, to address the problems brought on by increasing sea levels and greater flooding, the Dutch approach to land management is founded on the idea of "living with water" and combines inventive engineering, environmentally friendly design, and natural remedies.
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The theory of plate tectonics states that the Earth's crust is composed of many plates that move gradually across the Earth's surface. Please select the best answer from the choices provided. T F
Plate tectonics is the theory that Earth's land masses are in constant motion.
What is the meaning of Plate Tectonics?
According to the idea of plate tectonics, the land masses of the Earth are constantly shifting. Alfred Wegener was the first to recognize that Earth's land masses are in motion; he dubbed this continental drift.
Large rock slabs called tectonic plates, which separate the Earth's crust, are continually moving and changing the planet's topography. The theory of plate tectonics contends that the lithosphere, the planet's outer shell, is divided into several plates that move across the rocky interior of the planet and on top of its softcore (mantle).
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What percentage of earth is covered in snow and ice?
About 10% of the Earth's surface is covered by permanent ice or snow, mainly located in the polar regions.
This percentage can vary seasonally, as the extent of ice and snow cover fluctuates with climate conditions. The Arctic Ocean and the Antarctic continent have the largest ice coverage, and the melting of these ice sheets is a significant contributor to sea-level rise.
The decline of the polar ice cap due to global warming is also affecting the environment, wildlife, and human activities in the regions. However, it's worth noting that some regions may experience more snow and ice cover than others, depending on the local climate and topography.
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subduction zones occur a what type of plate boundary?
Converging plate boundaries occur at subduction zones.While some plates collide and build mountains by stacking rocks to release pressure.
This most commonly occurs when one of the plates at the convergent boundary is an oceanic plate and the other is a continental plate the plate,the denser of the two,is pushed down where it melts as it approaches the mantle Magma produced through plate melting often rises and can reach the surface through the formation of volcanoes.Subduction occurs at some convergent plate boundaries. Subduction forces one of the tectonic plates down into the Earth's mantleBasaltic oceanic crust contains hydrated minerals such as amphiboles,some of which formed by hydrothermal alteration as seawater seeped through hot, fractured, young oceanic crust on the mid-oceanic ridge.As the oceanic crust sinks further into the mantle,the pressure increases,the temperature of the oceanic crustal rocks rises more slowly because the rocks are poor conductors of heat.At depths of about 100 km below the surface,the pressure is great enough for hydrated minerals to undergo metamorphism.
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how did land and climate features influence bedouin family life?
5) Which of the following countries is the best example of a prorupted state?
a) South Africa
b) Botswana
c) Lesotho
d) Zimbabwe
e) Namibia
6) Which of the following countries is the best example of a perforated state?
a) South Africa
b) Botswana
c) Lesotho
d) Zimbabwe
e) Namibia
7) The belief that a territory belonging to another state should be annexed for ethnic or historical
reasons is called
A) Proruption
B) Devolution
C) Irredentism
D) Ethnocentrism
E) Supranationalism
Answer: 5. Namibia 6. South Africa 7. Irredentism
Explanation: Search
what periods of the paleozoic era are not represented by rock of the grand canyon? how might you account for such age gaps
The Paleozoic Era is a geological time period that spans from approximately 542 million years ago to 251 million years ago.
The Grand Canyon is an iconic geological feature in the southwestern United States, and it is composed primarily of rocks from the Paleozoic Era. However, there are some periods within the Paleozoic Era that are not represented by rocks in the Grand Canyon.
Specifically, the Silurian and Devonian periods are not represented, which account for a gap of around 100 million years.
One possible explanation for this gap is that the rock layers that were present during these periods were eroded away over time, either through natural processes like weathering and erosion or through a tectonic activity like uplift and folding.
Another possibility is that sediment deposition during these periods simply did not occur in the area that is now the Grand Canyon, due to changing sea levels and other environmental factors.
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Select the gas with the highest average kinetic energy per mole at 298 K.
a. carbon dioxide
b. all have the same kinetic energy
c. hydrogen
d. water
e. oxygen
Select the gas with the highest average kinetic energy per mole at 298 K all have the same kinetic energy (B)
In a gas, individual particles do not interact with one another through the exchange of forces (such as attraction or repulsion). The temperature of the gas is directly related to the amount of average kinetic energy that gas particles have. Since the temperature has not changed, we should expect that the average kinetic energy and the rms speed will also not change.
According to the postulates of the kinetic theory of gases, each and every one of the gases is made up of extremely small and distinct components called molecules. These molecules of the gas are all moving around in a random fashion all by themselves. The collision of molecules of the gas with the walls of the container is what causes the observed pressure of the gas to be present.
The collisions that take place between the molecules of the gas are totally elastic. All of the molecules in the gas have kinetic energy as a result of this spontaneous random motion. Kinetic energy is identical to K, which is another term for absolute temperature.
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1. What is the most important mineral resource in Southwest Asia?
O coal
о uranium
O iron
Ooil
how do people see things differently? use the example in the article where two people are looking over a forested mountain area. what do each of them see?
People see things differently due to various factors such as their personal experiences, beliefs, values, interests, and cognitive processes. In the example of two people looking over a forested mountain area, each person may see different things based on their individual perspectives.
For instance, one person may notice the vast expanse of trees and appreciate the natural beauty of the forest. They may focus on the shades of green, the way the sunlight filters through the leaves, or the sounds of birds and animals in the distance. They might feel a sense of calm and tranquility in the presence of nature.
The other person, however, may focus on the practical aspects of the forest, such as the potential resources that could be harvested from the trees or the challenges of navigating through the wilderness. They might think about the economic value of the forest or the strategies needed to manage it effectively.
Overall, both individuals are looking at the same scene, but their unique perspectives and experiences shape what they see and how they interpret the scene in front of them. This illustrates how people can have vastly different perceptions of the same situation, and why it's important to be open to other perspectives and to try to understand how others see the world around them.
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Which relationship results in the highest level of evaporation from Earth’s water reservoirs? A.greatest surface area and most direct sunlight
B.greatest surface area and least direct sunlight
C.least surface area and most direct sunlight
D.least surface area and least direct sunlight
The relationship that results in the highest level of evaporation from Earth's water reservoirs is A) greatest surface area and most direct sunlight.
Evaporation occurs when water molecules at the surface of a body of water gain enough energy to break their bonds and become water vapor. The rate of evaporation is influenced by several factors, including the surface area of the water, the temperature, humidity, and wind speed. Sunlight also plays a significant role, as it provides energy to the water molecules and increases the rate of evaporation.
Therefore, a large surface area and direct sunlight result in the highest level of evaporation, as more water molecules are exposed to sunlight and gain energy to break their bonds and become water vapor. This is why bodies of water such as oceans and large lakes experience high rates of evaporation, especially in warm and sunny conditions.
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an alternate route that travels around the city begins with an even number. True or False
Answer: false
Explanation:
when two oceanic plates converge they can create a ___ island arc
When two oceanic plates converge, they can create a volcanic island arc.
An island arc is a curved chain of volcanic islands that forms on the overriding plate above a subduction zone, where one oceanic plate is forced beneath another oceanic plate. As the subducting plate sinks into the mantle, it melts and generates magma that rises to the surface, forming a series of volcanoes. Over time, as the plate continues to subduct and the volcanoes continue to erupt, a chain of islands is formed.
These volcanic island arcs are typically found in areas of the world where there are subduction zones, such as the Pacific Ring of Fire. Examples of volcanic island arcs include the Aleutian Islands in Alaska, the Mariana Islands in the western Pacific, and the Lesser Antilles in the eastern Caribbean.
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in what way are the western highlands of brazil similar to the atlantic lowlands? question 6 options: both areas are populated mainly by native americans neither area contains any large cities. both areas are dominated by rain forests both areas are good for farming
Brazil's western highlands are comparable to the atlantic lowlands since both regions are suitable for farming.
More than half of the Brazilian land area is made up of the Highlands, which also provide the majority of the country's enormous mineral wealth. Only a small portion of Brazil's land is covered by the Atlantic lowlands, which can stretch up to 125 miles (200 km) broad in the north before becoming thinner and disappearing in some areas of the southeast. Although they have a wide range of features, such as level floodplains, swamps, lagoons, sand dunes, and lengthy stretches of white sand beaches that are often shielded by coral reefs and barrier islands. Where the rocky slopes of the coastal ranges drop straight into the ocean, there are a number of deep harbours,
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to create maps, cartographers project the round earth onto a flat surface making a
To create maps, cartographers project the round earth onto a flat surface making "map projection".
Map projection is a technique used by cartographers to represent the three-dimensional surface of the earth on a two-dimensional map. It is a method of transforming the spherical shape of the earth into a flat surface using mathematical formulas.
Map projections are designed to minimize distortion and accurately represent various features of the earth's surface, such as distance, area, direction, and shape. There are many types of map projections, each with its own strengths and weaknesses.
Some common map projections include the Mercator, Robinson, and Peters projections. Map projections play a crucial role in our ability to navigate and understand the world around us, and they are used in a variety of fields, including geography, cartography, and engineering.
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URGENT
If your biome was elevated an extra 800 meters, how would climate change?
Answer:It Would be Colder
Explanation: Areas with higher elevation are usually colder and get more snow on average. Agriculture would be more difficult due to colder conditions.
Answer:
Elevating a biome by 800 meters would likely cause the climate to become cooler and more arid. This is because as altitude increases, air pressure decreases, the amount of oxygen in the air decreases, and atmospheric temperature decreases. Additionally, the lower temperatures would result in less evaporation leading to drier conditions.
What are the problems that are currently
in palestine?
Urban Problems
What are the current problems in
palestine ? - 3 MINIMUM
2 Paragraphs Minimum
3 Sources MLA Format
Double Spaced
Indented
Format is Correct
Ideas (Ghettoization / Gentrification)
What are the current problems in palestine Include in-text citations
3 paragraphs per problem - 2 PROBLEMS MINIMUM
The issues that are in Palestine today would be based on religious issues as well as poor government and lack of human rights.
What are the current problems in palestineThere are many ongoing issues and problems in Palestine, including:
Israeli occupation and settlement expansion: The Israeli military occupation of the West Bank and Gaza Strip has been a major source of conflict for decades and has resulted in widespread human rights violations and restrictions on movement for Palestinians. Additionally, the continued expansion of Israeli settlements in the occupied territories is seen by many Palestinians as a violation of international law and an obstacle to the creation of a Palestinian state.
Political divisions: Palestinian political leaders have been divided for years, with the ruling Palestinian Authority based in the West Bank and the Islamist group Hamas in control of the Gaza Strip. These divisions have made it difficult for the Palestinian leadership to present a unified front in negotiations with Israel and have resulted in a lack of progress towards a two-state solution.
Human rights abuses: Palestinians in both the West Bank and Gaza Strip face numerous human rights abuses, including restrictions on freedom of movement, arbitrary detention, and the use of excessive force by Israeli security forces.
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for a pair of bodies, where is the center of mass located?
For simple rigid objects with uniform density,the center of mass lies at the centroid for a pair of bodies.
the center of mass of a uniform disk shape would be at its center.The center of mass of a body is the point at which all the mass of the body appears to be concentrated.The center of mass is usually inside the body, but the position can change.The center of mass depends on the shape and its mass distribution for a continuous distributed object.Then, you add them up and divide them by the sum of all the individual masses. No,it is not necessary that the center of mass of a body is inside it.The center of mass of a system is defined as the point at which all the mass of the system appears to be concentrated.Any applied external force acts on this point.
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Which is one of the most important waterways in the world?
Lake Nicaragua
Río Bravo
Panama Canal
Caribbean Sea
Panama Canal is one of the most important waterways in the world.
What are waterways?Any navigable body of water is a waterway. To avoid ambiguity, broad distinctions are helpful, and disambiguation will have variable value depending on the nuance of the translated word.
It is important to first distinguish between interior watercraft channels and maritime trade routes. It is uncommon to refer to dredged sea channels as waterways. This first distinction has an exception, primarily for legal reasons.
Ship canals serve the purpose of providing a short cut across an isthmus or the draft needed for deep-sea shipping to access seaports along maritime shipping routes that cross oceans, seas, and some lakes where navigability is anticipated.
In addition to lakes, reservoirs, and docks, waterways also contain linear water features like rivers, canals, and streams. Locks, weirs, dams, and rapids are examples of features that might act as obstacles in the way of navigation.
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Peter and Vivian each wrote a proof for the statement: if Z2 Z3, then 21 is supplementary to 23.
1
2
3
Peter's proof:
By the linear pair theorem, 21 is tsupplementary to 22. So, m/1 + m/2 = 180°. Since 4243, then 22
equality, m/1 + m/3 = 180°, which means 21 is supplementary to 3.
Vivian's proof:
Suppose 1 is not supplementary to 23. So, m/1 + m/3 # 180°. By the linear pair theorem, Z1 is supplem
supplementary angles, m/1 + m/2 = 180°. Applying the Transitive Property, m/1 + m/3 m/1+mz
this implies that m/3 m/2. By definition of congruence, m23 m22. However, m/3
m/2 contradicts the given.
What type of proof did they use
Peter used because.
Peter used direct proof method because he gets the answer directly whereas Vivian used direct proof method by contradiction because she first assumed that the answer was wrong and had to prove that the answer was right.
How to solve for the angleAngle 1 and angle 2 are on the same line. To solve this, we would have to use the angle on a straight line rule
angle 1 + angle 2 = 180 degrees
then
If ∠2 ≅ ∠3, then ∠1 is supplementary to ∠3.
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magmas can have a variety of chemical compositions because of which of the following? a. the rocks that melt to make magma are composed of many minerals, not all of which melt under the same conditions. b. different magmas formed in different locations are isolated and don't mix. c. the magmas' pressure can melt rock from the walls of the magma chamber. d. they come from the same source rocks.
The chemical composition of magma can vary depending on the source rock and the processes that occur during partial melting and transport. The initial composition of the magma is determined by the source rock's composition and the degree of partial melting. option a)
As the higher-density- tectonic plate subducts, submerges below, or the less dense tectonic plate subducts, hot rock from below can dwell in the cooler plate above.
The temperature gradient and the formation of magma are both involved in this process. Over millions of years, the magma in this subduction zone has the potential to form a series of active volcanoes known as a volcanic arc.
Melts can originate from several sources. Source rocks undergo varying degrees of partial melting, producing magmas with different compositions than the rock.
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which countries are located in the caucasus region?
Armenia, Azerbaijan, Georgia and some parts of south-west Russia roughly located between the narrow stretch of Black sea and Caspian sea.
The Caucasian region is named after the famous Caucasus Mountains located between the Eurasian plate and Arabian plate, particularly the land between Black and Caspian sea. Mount Elbrus is the highest peak of this range. The word Caucasus is derived from 'croucasis' (Scythian, Iranian language), meaning shimmering with snow.
The region is ethnically rich, with wide variety of languages being spoken like Azerbaijani, Kumyk, etc.
In recent years, the region has been the center of power struggle between Armenia and Azerbaijan. Both countries, in past, had engaged in many wars for the disputed area of Nagorno-karabakh.
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From the timing of lunar eclipses, the Ancient Greeks were able to?
calculate the distance from the Earth to the Moon
Answer:
The average distance to the Moon is 382,500 km.
Explanation:
What gases are found in the troposphere?
deep soils are characteristic of tropical regions whereas thin rocky soils are characteristic of high latitudes. this is a natural demonstration that .
Answer:
chemical wreathing rates are much higher in the tropics than high latitudes
Explanation:
which of these most directly triggered the main eruption?
The most powerful eruption type is a plinian eruption. The eruption of Mount St. Helens was a plinian eruption.
Plinian eruptions are distinguished by extremely tall ash clouds that can reach heights of 50,000 feet (nearly 10 miles). Plonian eruptions can also produce pyroclastic flows that are extremely lethal. The eruption of Mt. Vesuvius in Italy in 79 AD was a typical Plinian eruption. At the city of Pompei, extremely hot ash falls killed thousands of people. A 17-foot high fall of ash buried the city. The Plinian eruptions were so named in honour of Pliny the Elder of Rome, who perished during one of Vesuvius' numerous eruptions. The most explosive and hazardous eruptions are Pelean and Plinian eruptions.
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