When two distinct masses of air meet, an atmospheric boundary, known as a front, is formed. The less dense warm air mass is able to ascend over the denser cool air - in the process precipitating water vapor and thus forming clouds that could potentially manifest rain showers.
What happens when a warm air mass and a cool air mass meet?It is based on the characteristics of the air masses, along with the angle at which they are colliding, that determines the kind of front created.
If the warmer air is advancing towards the cooler air mass, then it is referred to as a warm front resulting in a gradual increase of clouded skies and potential light rainfall.
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in dmanisi, georgia, several homo erectus fossils have been found with surprising features. identify the characteristics that distinguish the dmanisi hominins from other homo erectus finds.
Answer:
The Dmanisi hominins, found in Dmanisi, Georgia, exhibit several surprising features that distinguish them from other Homo erectus finds. Some of these distinguishing characteristics include:
1. Morphological variation: The Dmanisi hominins show significant morphological variation within the same population. This variation suggests that early Homo populations had a broader range of physical characteristics than previously thought. Some of the Dmanisi individuals exhibit features similar to Homo habilis, while others more closely resemble typical Homo erectus.
2. Smaller brain size: The brain size of the Dmanisi hominins is notably smaller than that of other Homo erectus specimens found in Africa and Asia. The average cranial capacity of the Dmanisi individuals is around 600-775 cubic centimeters, which is closer to the brain size of Homo habilis than to the larger-brained Homo erectus specimens.
3. Primitive skeletal features: The Dmanisi fossils display a mix of primitive and derived traits. Some features, such as the relatively small brain size and the shape of the skull, are more primitive, whereas other aspects of their anatomy, like the limb proportions, are more similar to later Homo erectus individuals.
4. Early migration: The Dmanisi fossils date back to approximately 1.8 million years ago, making them the earliest known evidence of hominins outside Africa. This early migration challenges the previously held belief that Homo erectus left Africa only after developing more advanced features like a larger brain and more sophisticated tools.
These distinguishing characteristics of the Dmanisi hominins provide valuable insights into the early stages of human evolution and migration and contribute to a deeper understanding of the complexity and diversity within the Homo genus.
What form of transportation first opened corridors of development in the U.S., provided access to markets for commercial crops, and helped establish towns and cities across the country?
The form of transportation that first opened corridors of development in the United States, provided access to markets for commercial crops, and helped establish towns and cities across the country is the railroad.
Early in the 19th century, the first railroads were constructed in the United States, and they quickly established themselves as a vital means of moving both people and products.
Railroads replaced earlier modes of transportation like horse-drawn carriages or riverboats as a faster, safer, and more dependable way to move people and commodities across great distances.
By facilitating simpler transportation of people and products, the railway system assisted in the establishment of towns and cities across the nation, resulting in increased trade and economic growth.
Railroads made it possible to transport goods from rural areas to urban centres, giving farmers and manufacturers access to new markets.
Additionally, they made it easier for people to move around, which spread population across the nation and helped create new towns and industries.
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How long does it take to hike the pacific crest trail?.
Answer:
The Pacific Crest Trail (PCT) is approximately 2,650 miles (4,265 kilometers) long, stretching from the U.S.-Mexico border in California to the U.S.-Canada border in Washington. The time it takes to hike the entire trail varies depending on factors such as hiking speed, daily mileage, and weather conditions.
On average, it takes most thru-hikers about 4 to 6 months to complete the entire Pacific Crest Trail. Some experienced and well-prepared hikers may finish the trail in a shorter time, while others may take longer, especially if they choose to take more rest days or explore nearby attractions along the way.
Which west coast city of the U.S. is near an active volcano (Mt. Rainier), and would suffer in the event of an eruption?
Answer:
Explanation:
Seattle, Washington.
The city in the United States that is near an active volcano and would suffer in the event of an eruption is Seattle, Washington.
A major and destructive eruption is a possibility from the active volcano Mount Rainier. Despite the fact that the volcano hasn't erupted recently, its size, position, and history of violent eruptions make it one of the world's most dangerous volcanoes.
A catastrophic eruption of Mount Rainier could result in lahars (volcanic mudflows), which would pose a serious risk to Seattle's population and infrastructure.
A region noted for its volcanic activity, including numerous active and potentially hazardous volcanoes like Mount St. Helens and Mount Baker, is where Seattle is situated.
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What is scale in human geography
Explanation:
Scale: Generally, the relationship between the portion of Earth being studied and Earth as a whole, specifically the relationship between the size of an object on a map and the size of the actual feature on Earth's surface.
which of the following is a possible future milestone in environmental policy? a. water pollution policy b. implementation of a cap and dividend polic
The correct answer to the given question is Option a. a. water pollution policy. Water pollution policy is a possible future milestone in environmental policy.
What is Environmental policy?As a result, it also evaluates the human and non-human environments as well as the biophysical environment (the abiotic portion of the environment) (the living).
In situ observation, as well as past and maybe future data, are used to characterize the status and environmental trends.
Additionally, the evaluator evaluates, models, or estimates the effects of human-based management procedures as well as anthropogenic pressures on the environment.
Therefore, A site, strategy, plan, program, or scheme is assessed in terms of how it will affect the environment as part of an environmental assessment.
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Full Question ;
Which of the following is a possible future milestone in environmental policy?
a. water pollution policy
b.implementation of a cap and dividend policy
c.mandatory environmental assessments
d.environmental impact statements
the continents of eurasia and north america are currently moving apart at an average rate of: group of answer choices 2 inches per century. 5 meters per year. 100 cm per decade. 5 cm per century. approximately 2 inches per year.
The continents of Eurasia and North America are currently moving apart at an average rate of approximately 2 inches per year. The movement of continents is due to tectonic plate movement.
The North American plate and the Eurasian plate are moving away from each other, resulting in the separation of the two continents. The rate of this movement is measured in inches or centimetres per year, and currently, the average rate of movement between Eurasia and North America is around 2 inches per year. This slow movement might not be noticeable to humans, but it has a significant impact on the Earth's geology and topography.
The movement of continents is due to the process called plate tectonics, where the Earth's lithosphere is divided into several plates that move over the more fluid asthenosphere. The rate at which the continents move apart can vary, but on average, it is estimated to be around 2 inches per year for Eurasia and North America. This is a relatively slow pace, but it has a significant impact on the Earth's surface over long periods of time.
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he northwestern coast of the united states is: group of answer choices located along a divergent plate boundary. associated with a hot spot. where two tectonic plates move parallel to one another. near a subduction zone. in the middle of a continental plate.
The northwestern coast of the United States is near a subduction zone.
Subduction between the Pacific and Juan de Fuca plates and the northwestern American Plate is now taking place in the Cascadia Subduction Zone and Southern Alaska. Parks in the Cascadia Subduction Zone impressively show off the two separate mountain ranges: the volcanic Cascade Range farther inland, where the top of the plate is deeper, and the Coast Range close to where the Juan de Fuca Plate starts to subduct.
The roots of an old volcanic range that developed when the subduction zone reached far further south may be seen at some locations in the Sierra Nevada Mountains. In addition, huge parks in the Southern Alaska Subduction Zone include stunning mountains, layers of rock, and active volcanoes that illustrate the continuous plate convergence along the northwestern Coast.
Therefore, option D is the correct answer.
The complete question is, "The northwestern coast of the united states is:
A. located along a divergent plate boundary.
B. associated with a hot spot.
C. where two tectonic plates move parallel to one another.
D. near a subduction zone.
E. in the middle of a continental plate.
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Everyone in attendance at a midnight screening of the rocky horror picture show was dressed in skimpy, revealing clothing, while a sign in the theater lobby mandated a dress code of appropriate, everyday attire. Could this be seen as an example of collective action?.
Yes, this can be seen as an example of collective action. Collective action refers to a situation where a group of individuals come together to achieve a common goal.
In this case, everyone in attendance at the midnight screening of the rocky horror picture show decided to dress in skimpy, revealing clothing despite the theater lobby mandating a dress code of appropriate, everyday attire. This decision was made collectively by the group to adhere to a different set of standards than what was prescribed by the theater. Therefore, this can be seen as an example of collective action. Collective action refers to a coordinated effort by a group of people to achieve a common goal. In this case, the common goal was to express their enthusiasm for the Rocky Horror Picture Show by dressing in skimpy, revealing clothing, despite the theater's dress code. The attendees likely shared a mutual understanding and agreement to ignore the dress code, showcasing their unity and shared interest in the event.
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Earthquakes and volcanic eruptions are common on the western edge of the pacific ocean. Which theory does this pattern of geological phenomena support?.
This pattern of geological phenomena supports the theory of plate tectonics.
Plate tectonics explains that the Earth's crust is made up of large, moving plates. The western edge of the Pacific Ocean is known as the "Ring of Fire" because it is where several tectonic plates meet and interact. This interaction results in frequent earthquakes and volcanic eruptions in the region.
The Ring of Fire is a horseshoe-shaped area around the Pacific Ocean that includes the western coast of North and South America, Japan, Indonesia, and New Zealand. This region is known for its high level of seismic activity and volcanic activity. This is because the Ring of Fire is located at the boundaries of several tectonic plates. When two plates meet, they can either move apart, slide past each other, or collide.
At the western edge of the Pacific Ocean, the Pacific Plate is moving northwestward and colliding with other plates, including the North American Plate, the Philippine Plate, and the Eurasian Plate. These collisions result in the formation of subduction zones, where one plate is forced beneath another. This process can cause earthquakes and volcanic eruptions.
Overall, the pattern of earthquakes and volcanic eruptions on the western edge of the Pacific Ocean supports the theory of plate tectonics. This theory explains how the Earth's crust is constantly moving and changing, and how this movement can cause geological phenomena like earthquakes and volcanic eruptions.
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What does a fold and thrust belt tell us about what occurred during an orogeny?
Mainly a fold and thrust belt bell lets us know that there was net pressure across the plate brokenness and that the stones making up the top plate were of the properties to permit this kind of distortion to happen.
Fold-and-thrust belts are a trademark primary unit saw at the external piece of mountain belts and accretionary crystals framed along concurrent plate limits. The dynamic overlays and pushes normally create at the Piedmonts and inside the foreland bowls of dynamic mountain belts.
It structures due to contractional tectonics. Overlay and push belts regularly structure in the forelands neighboring major orogens as misshapen spreads outwards.
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long-distance canals carrying water from the colorado river reach as far as (in southern california) and (in southern arizona).
T/F
Long-distance canals carrying water from the colorado river reach as far as (in southern california) and (in southern arizona) is Colorado Aqueduct.
Water from the Colorado River is delivered to Southern California via the Colorado Aqueduct, which was constructed in the 1930s. It is the main source of drinking water for the area and is controlled by the Metropolitan Water District of Southern California (MWD).
Water from the Sacramento-San Joaquin Delta is transported to the San Joaquin Valley and Southern California via the California Aqueduct, an essential component of the State Water Project. The Edmund G. Davis Aqueduct, a $1.75 billion bond that was approved by voters in 1960, was included in the construction of the 444-mile California Aqueduct.
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The complete question is:
Long-distance canals carrying water from the colorado river reach as far as (in southern california) and (in southern arizona) is ____.
Tectonic plates can be made of continental crust and oceanic crust. Besides their location, how else are these two kinds of crust different?.
Tectonic plates can be made of both continental crust and oceanic crust. The main differences between these two types of crust lie in their composition, density, and thickness.
Continental crust is primarily composed of granitic rocks, which are less dense and lighter than the basaltic rocks found in oceanic crust. Due to this difference in density, continental crust has an average density of about 2.7 grams per cubic centimeter, while oceanic crust has a higher average density of around 3.0 grams per cubic centimeter. In terms of thickness, continental crust is generally thicker than oceanic crust, with an average thickness of 35-40 kilometers, whereas oceanic crust averages at around 7-10 kilometers in thickness. This variation in thickness leads to a difference in the elevation of the Earth's surface, with continental crust forming the higher-standing landmasses and oceanic crust creating the lower-lying ocean basins. Additionally, the age of the crust varies between the two types, as oceanic crust is continuously being formed at mid-ocean ridges and destroyed at subduction zones, resulting in a relatively young age compared to the more stable, older continental crust.
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which of the following are areas where air converges at earth's surface? (a) itcz (b) subtropical high (c) polar front (d) all of the above (e) both answer choices (a) and (c)
The areas where air converges at Earth's surface are regions of low pressure. The ITCZ (Intertropical Convergence Zone) and the Polar Front are two such regions. The answer is (e) both answer choices (a) and (c).
The ITCZ is a low-pressure zone where the northeast and southeast trade winds converge near the equator, resulting in rising air and the formation of clouds and precipitation. The Polar Front is a zone of low pressure where the cold polar air meets the warm subtropical air, causing the air to rise and leading to the formation of storms. The subtropical high, on the other hand, is an area of high pressure, where air diverges and sinks, resulting in fair weather. Therefore, the answer is (e) both answer choices (a) and (c).
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Which ocean is warmest because most of it lies in the tropics?.
Answer:
the Indian Ocean basin is the warmest ocean basin on the planet. Temperatures vary according to location and the ocean's currents. As you can imagine, the nearer we are to the Equator, the warmer the water tends to be. In coastal regions near the Equator, the temperature can reach 28°C (82°F).
Explanation:
type your response in the box. how did the report on the topic of climate change help the general public relate to the topic?
The report on the topic of climate change helped the general public relate to the topic by presenting scientific evidence and data in a clear and understandable manner.
The report provided information on the causes and effects of climate change, as well as the actions that can be taken to mitigate its impact. It also included real-life examples of how climate change is affecting different regions and communities around the world. By presenting this information in a way that is easy to comprehend, the report helped the general public better understand the seriousness of the issue and its potential consequences. This, in turn, led to increased awareness and concern about the topic, and a greater willingness to take action to address it. Additionally, the report helped to dispel some of the myths and misconceptions surrounding climate change, which further contributed to the public's understanding and engagement with the issue.
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due to its geologic location and climate, the southern california coast has several factors that make it susceptible to mass-wasting events. T/F
True. Due to its geologic location and climate, the southern California coast is highly susceptible to mass-wasting events.
The coast is characterized by steep, rocky cliffs that are susceptible to erosion from ocean waves and storm surges, as well as being located in a tectonically active region with frequent earthquakes. The presence of loose sediment and soils on the slopes, as well as the presence of faults and fractures in the underlying bedrock, also contribute to the instability of the slopes. Additionally, the region is prone to periods of heavy rainfall, especially during El Niño events, which can trigger landslides and debris flows. Overall, the combination of geological and climatic factors makes the southern California coast highly susceptible to mass-wasting events, and these events pose significant risks to public safety and infrastructure.
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how to draw and interpret a spectrum. what a planet's spectrum looks like, and which part of the spectrum tells you what
Due to the heat energy they emit, planets, nebulae, and stars all produce a continuous spectrum. Cooler gases surround the bodies, which is demonstrated by the dark lines in the spectra that result from some of the energy being absorbed.
A graph describing the amount of light something emits (how bright the object is) at various wavelengths is called a spectrum. We generally do not know the distances to the stars from their spectra, therefore the spectrum of a star tells how bright it appears to be from Earth.
We can determine the "greenness" of our planet and where and how much plant life there is by comparing the near-infrared and red portions of the spectrum. NASA's Landsat satellites and the Moderate Resolution Imaging Spectrometer (MODIS) sensor are frequently used for this method.
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as the supercontinent pangaea broke up into smaller land masses, speciation increased. why might that have occurred?
The most likely explanation for the surge in speciation as the supercontinent Pangaea fragmented into smaller land masses is populations being separated from one another and diverging.
Physical obstacles like oceans and mountain ranges restricted gene flow between people as the land masses divided, resulting in isolation. These isolated populations were subjected to various selection pressures as they evolved and adapted to their particular habitats throughout time, which led to the development of distinctive genetic features and, ultimately, the emergence of new species. The development of life on Earth is assumed to have been significantly influenced by this process, known as allopatric speciation, as land masses have moved and drifted over time.
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Full Question;
As the supercontinent Pangaea broke up into smaller land masses, speciation increased: Why might that have occurred? Select one: Species interactions grew more complex: The climate grew warmer everywhere_ There was more gene flow between continents Populations became isolated from one another and diverged:
Ecological succession takes place in an area where-.
Ecological succession takes place in an area where a community of organisms undergoes a series of changes over time, eventually leading to the establishment of a stable, mature community.
Ecological succession takes place in an area where there has been a disturbance or change in the environment. This disturbance can be caused by natural events such as fires, floods, landslides, or human activities such as deforestation or construction. As a result of the disturbance, the previous community of organisms may be wiped out or significantly altered, leaving the area open for new species to colonize and establish.
The process of ecological succession can take a long time, often spanning decades or centuries, as the new community gradually replaces the previous one through a series of stages. But it is important to understand the context and factors that contribute to ecological succession. This process occurs in response to disturbances or alterations in the environment, allowing new species to colonize the area and replace the previous community.
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Most of the energy needed for all the processes on earth comes directly or indirectly from the sun. There is no medium or material connecting the sun to the earth. Therefore, the only type of heat transfer possible to transfer energy from the sun to the earth is.
The only type of heat transfer possible to transfer energy from the sun to the earth is radiation. Radiation is a form of energy transfer that occurs through space without the need for a medium. This means that the energy from the sun can travel through the vacuum of space and reach the earth without any obstruction.
The sun emits energy in the form of electromagnetic radiation, which includes visible light, ultraviolet light, and infrared radiation. When this radiation reaches the earth, it is absorbed by the atmosphere, land, and oceans, and is ultimately converted into heat energy, which drives the various processes on our planet. Overall, radiation is the primary mechanism through which the sun's energy is transferred to the earth.
The energy transfer from the Sun to the Earth occurs through a process called radiation. Since there is no medium or material connecting the Sun and the Earth, radiation is the only possible method of heat transfer in this scenario. In radiation, energy is transferred as electromagnetic waves, which can travel through a vacuum like the space between the Sun and the Earth.
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The major worldwide climate types are classified according to which atmospheric property
Answer:
they are classified according to temperature, sorry if this is wrong! this is just based on what I know
Explanation:
What causes wind or water to deposit all their sediments?.
Wind or water deposits sediments when they lose energy or velocity. The sediments carried by wind or water are typically sand, silt, and clay particles.
In the case of water, when the velocity of the water flow slows down, it loses its ability to carry the sediment and eventually deposits it on the ground or riverbed. This process is known as sedimentation. Similarly, wind can carry sediments and deposit them when its velocity slows down or is obstructed by obstacles such as rocks or plants. Windblown sedimentation can form dunes or ridges, while water sedimentation can form deltas or floodplains. The deposition of sediments is essential for the formation of various landforms and habitats, including beaches, riverbanks, and wetlands.
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How do temperature and pressure change as the depth of the geosphere increases?.
As the depth of geosphere increases the pressure and temperature also increase.
Hence, the answer is Pressure and Temperature increase.
Why Pressure and Temperature increase?The Earth's temperature increases with depth due to the geothermal gradient. Highly viscous or partially molten rock is found at the margins of tectonic plates, increasing the gradient nearby. The heat content of Earth is estimated to be [tex]10^{31}[/tex] joules.
Much of the heat is created by radioactive decay of elements in the mantle. Heat is also generated by gravitational potential energy release during Earth's accretion. Latent heat is released as the outer core crystallizes. Tidal forces on Earth may also generate heat.
The pressure also increases with depth due to the weight of the rock and other materials above. This is because the Earth's gravity pulls all objects towards the center of the planet, creating pressure on the materials below.
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The given question is incomplete. hence, the complete question should be:
How do pressure and temperature change inside as depth of the geosphere increases?
A. Pressure and temperature decrease.
B. Pressure increases; temperature decreases.
C. Pressure decreases; temperature increases.
D. Pressure and temperature increase.
why did the director of tidal wave (2009) select busan as a city and haeundae and gwangalli beach as the focus?
The director of Tidal Wave (2009) chose Busan as the city and Haeundae and Gwangalli Beach as the focus for several reasons. First and foremost, Busan is a coastal city located on the southeastern coast of South Korea. As such, it is an ideal location for a disaster film that centers around a tidal wave or a tsunami.
Furthermore, Haeundae and Gwangalli Beach are two of the most popular and famous beaches in Busan. Haeundae Beach is the largest and most well-known beach in the city, with soft, golden sands, clear waters, and a wide range of beach activities. Gwangalli Beach, on the other hand, is a more laid-back and relaxed beach that is known for its beautiful views of the Gwangan Bridge and the city skyline.By focusing on these two beaches, the director was able to create a more immersive and realistic disaster film that viewers could relate to. For many people, the beach is a place of relaxation and fun, but in Tidal Wave, it becomes a place of danger and chaos.Additionally, the director may have chosen Busan and its beaches because of their cultural significance. Busan is a city that is deeply connected to the sea and the fishing industry, and its beaches are a reflection of this. By showcasing these beaches in the film, the director was able to pay homage to the city's history and traditions.
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A fold in which rock layers warp up in the shape of an A is a(n):
A fold in which rock layers warp up in the shape of an A is called an "anticline".
Anticlines are commonly formed by compressional forces acting on the Earth's crust, causing the layers of rock to buckle and fold. In an anticline, the oldest layers of rock are found at the center, while the younger layers are found towards the edges of the fold. Anticlines can be found in many different types of rock, and are often associated with natural resources such as oil and gas, as these fluids can collect in the crests of the fold.
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TRUE OR FALSE the evaporator in a refrigeration system must be colder than the refrigerated space in order to absorb heat
The given statement " the evaporator in a refrigeration system must be colder than the refrigerated space in order to absorb heat" is true as evaporator helps in temperature management in refrigerator.
In a refrigeration system the evaporator is where refrigerant evaporates and heat from the refrigerated space is absorbed. In order to absorb heat, the evaporator needs to be colder than the refrigerated space so that heat can move from the latter to the former.
The absorbed heat is then transferred by the refrigerant to the condenser where it is expelled into the outside air. For this reason, the condenser is typically placed outside or in a different location from the evaporator, which is typically housed inside the refrigerator.
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What is one of the most extensive swamp forests in North Carolina?
One of the most extensive swamp forests in North Carolina is the Great Dismal Swamp. It is located in the coastal plain of southeastern Virginia and northeastern North Carolina, covering about 112,000 acres.
Black bears, bobcats, otters, and more than 200 different species of birds live in the swamp, which receives its water from a number of rivers. The wetland has a long and complex cultural past, with prehistoric traces of human occupation.
The Great Dismal Swamp is now a well-liked location for hiking, birdwatching, and other outdoor activities and is run as a National Wildlife Refuge.
Development, deforestation, and climate change are further dangers to the swamp, which could have detrimental effects on its delicate ecosystem and the numerous animals that call it home.
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Which of the following is FALSE about tropical and extratropical cyclones?
A.Tropical cyclones form over warm water, extratropical cyclones form over land or water.
B.Tropical cyclones form at latitudes around the equator, extratropical cyclones form in mid-latitudes.
C.Tropical cyclones have warm central cores, extratropical cyclones have cool cores.
D.Tropical cyclones cause storm surges, but extratropical cyclones do not.
The statement that is FALSE about tropical and extratropical cyclones is D. Tropical cyclones cause storm surges, but extratropical cyclones can also cause storm surges.
Tropical cyclones and extratropical cyclones have different characteristics and form under different conditions. Tropical cyclones form over warm ocean waters near the equator, while extratropical cyclones form over land or water in the middle or high latitudes. Tropical cyclones have warm central cores, while extratropical cyclones have cool cores. Both types of cyclones can cause significant amounts of rainfall and high winds, but only tropical cyclones can cause storm surges due to their low-pressure centers and wind patterns. Storm surges can result in significant coastal flooding and damage, which is a major hazard associated with tropical cyclones.
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the upstream end of a stream (headwaters section) usually has the steepest gradient for the stream. question 8 options: a) true b) false
The statement the upstream end of a stream (headwaters section) usually has the steepest gradient for the stream" is option A) true.
Headwaters are the beginning of a stream, originating from a high elevation, such as a mountain or a spring. At this point, the gradient is steeper due to the stream flowing from a higher to a lower elevation. As the stream flows downstream, the gradient gradually decreases, which leads to a slower flow and the deposition of sediments. This difference in gradient can affect the stream's velocity, erosive power, and sediment transport capabilities. In summary, the upstream end of a stream, or the headwaters section, typically has the steepest gradient compared to the rest of the stream.
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