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NDQ_000214
Gravity pulls soil and rocks downhill.
a. true, b. false
a
Lesson: erosion and deposition by gravity Landslides and Mudslides: The most destructive types of mass movement are landslides and mudslides. Both occur suddenly. Landslides: A landslide happens when a large amount of soil and rock suddenly falls down a slope because of gravity. You can see an example in Figure 10.3...
NDQ_000215
Mass movement is always a very slow process.
a. true, b. false
b
Lesson: erosion and deposition by gravity Landslides and Mudslides: The most destructive types of mass movement are landslides and mudslides. Both occur suddenly. Landslides: A landslide happens when a large amount of soil and rock suddenly falls down a slope because of gravity. You can see an example in Figure 10.3...
NDQ_000218
A landslide may carry away an entire village.
a. true, b. false
a
Lesson: erosion and deposition by gravity Landslides and Mudslides: The most destructive types of mass movement are landslides and mudslides. Both occur suddenly. Landslides: A landslide happens when a large amount of soil and rock suddenly falls down a slope because of gravity. You can see an example in Figure 10.3...
NDQ_000220
Mudslides occur where soil consists mostly of sand.
a. true, b. false
b
Lesson: erosion and deposition by gravity Landslides and Mudslides: The most destructive types of mass movement are landslides and mudslides. Both occur suddenly. Landslides: A landslide happens when a large amount of soil and rock suddenly falls down a slope because of gravity. You can see an example in Figure 10.3...
NDQ_000221
Slump occurs more slowly that creep.
a. true, b. false
b
Lesson: erosion and deposition by gravity Landslides and Mudslides: The most destructive types of mass movement are landslides and mudslides. Both occur suddenly. Landslides: A landslide happens when a large amount of soil and rock suddenly falls down a slope because of gravity. You can see an example in Figure 10.3...
NDQ_000222
Curved tree trunks are a sign of land creep.
a. true, b. false
a
Lesson: erosion and deposition by gravity Landslides and Mudslides: The most destructive types of mass movement are landslides and mudslides. Both occur suddenly. Landslides: A landslide happens when a large amount of soil and rock suddenly falls down a slope because of gravity. You can see an example in Figure 10.3...
NDQ_000223
Slump is more destructive than a landslide.
a. true, b. false
b
Lesson: erosion and deposition by gravity Landslides and Mudslides: The most destructive types of mass movement are landslides and mudslides. Both occur suddenly. Landslides: A landslide happens when a large amount of soil and rock suddenly falls down a slope because of gravity. You can see an example in Figure 10.3...
NDQ_000224
Undercutting can cause the ground to become unstable.
a. true, b. false
a
Lesson: erosion and deposition by gravity Landslides and Mudslides: The most destructive types of mass movement are landslides and mudslides. Both occur suddenly. Landslides: A landslide happens when a large amount of soil and rock suddenly falls down a slope because of gravity. You can see an example in Figure 10.3...
NDQ_000225
Soil is lifted up when the ground freezes.
a. true, b. false
a
Lesson: erosion and deposition by gravity Landslides and Mudslides: The most destructive types of mass movement are landslides and mudslides. Both occur suddenly. Landslides: A landslide happens when a large amount of soil and rock suddenly falls down a slope because of gravity. You can see an example in Figure 10.3...
NDQ_000226
Heavy rainfall makes ground more susceptible to landslides.
a. true, b. false
a
Lesson: erosion and deposition by gravity Landslides and Mudslides: The most destructive types of mass movement are landslides and mudslides. Both occur suddenly. Landslides: A landslide happens when a large amount of soil and rock suddenly falls down a slope because of gravity. You can see an example in Figure 10.3...
NDQ_000227
Landslides can cause earthquakes.
a. true, b. false
b
Lesson: erosion and deposition by gravity Landslides and Mudslides: The most destructive types of mass movement are landslides and mudslides. Both occur suddenly. Landslides: A landslide happens when a large amount of soil and rock suddenly falls down a slope because of gravity. You can see an example in Figure 10.3...
NDQ_000228
An earthquake is a type of mass movement.
a. true, b. false
b
Lesson: erosion and deposition by gravity Landslides and Mudslides: The most destructive types of mass movement are landslides and mudslides. Both occur suddenly. Landslides: A landslide happens when a large amount of soil and rock suddenly falls down a slope because of gravity. You can see an example in Figure 10.3...
NDQ_000229
Landslides rarely cause much damage.
a. true, b. false
b
Lesson: erosion and deposition by gravity Landslides and Mudslides: The most destructive types of mass movement are landslides and mudslides. Both occur suddenly. Landslides: A landslide happens when a large amount of soil and rock suddenly falls down a slope because of gravity. You can see an example in Figure 10.3...
NDQ_000230
Trees tilting downhill are evidence for slump.
a. true, b. false
b
Lesson: erosion and deposition by gravity Landslides and Mudslides: The most destructive types of mass movement are landslides and mudslides. Both occur suddenly. Landslides: A landslide happens when a large amount of soil and rock suddenly falls down a slope because of gravity. You can see an example in Figure 10.3...
NDQ_000231
During creep, soil moves downhill when it thaws.
a. true, b. false
a
Lesson: erosion and deposition by gravity Landslides and Mudslides: The most destructive types of mass movement are landslides and mudslides. Both occur suddenly. Landslides: A landslide happens when a large amount of soil and rock suddenly falls down a slope because of gravity. You can see an example in Figure 10.3...
NDQ_000844
The atmosphere protects Earth from harmful solar rays.
a. true, b. false
a
Lesson: the atmosphere Why the Atmosphere Is Important: We are lucky to have an atmosphere on Earth. The atmosphere supports life, and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear. The Atmosphere and Living Things: Most of the atmosphere is nitrogen, but it doesnt...
NDQ_000846
Sound waves travel rapidly through empty space.
a. true, b. false
b
Lesson: the atmosphere Why the Atmosphere Is Important: We are lucky to have an atmosphere on Earth. The atmosphere supports life, and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear. The Atmosphere and Living Things: Most of the atmosphere is nitrogen, but it doesnt...
NDQ_000849
Carbon dioxide is abundant in the atmosphere.
a. true, b. false
b
Lesson: the atmosphere Why the Atmosphere Is Important: We are lucky to have an atmosphere on Earth. The atmosphere supports life, and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear. The Atmosphere and Living Things: Most of the atmosphere is nitrogen, but it doesnt...
NDQ_000851
Ozone is a type of oxygen.
a. true, b. false
a
Lesson: the atmosphere Why the Atmosphere Is Important: We are lucky to have an atmosphere on Earth. The atmosphere supports life, and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear. The Atmosphere and Living Things: Most of the atmosphere is nitrogen, but it doesnt...
NDQ_000852
Weather on the Moon is always stormy.
a. true, b. false
b
Lesson: the atmosphere Why the Atmosphere Is Important: We are lucky to have an atmosphere on Earth. The atmosphere supports life, and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear. The Atmosphere and Living Things: Most of the atmosphere is nitrogen, but it doesnt...
NDQ_000853
Without the atmosphere, we could not hear most sounds.
a. true, b. false
a
Lesson: the atmosphere Why the Atmosphere Is Important: We are lucky to have an atmosphere on Earth. The atmosphere supports life, and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear. The Atmosphere and Living Things: Most of the atmosphere is nitrogen, but it doesnt...
NDQ_000854
The main reason Earth can support life is its atmosphere.
a. true, b. false
a
Lesson: the atmosphere Why the Atmosphere Is Important: We are lucky to have an atmosphere on Earth. The atmosphere supports life, and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear. The Atmosphere and Living Things: Most of the atmosphere is nitrogen, but it doesnt...
NDQ_000855
Earths atmosphere consists mainly of oxygen.
a. true, b. false
b
Lesson: the atmosphere Why the Atmosphere Is Important: We are lucky to have an atmosphere on Earth. The atmosphere supports life, and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear. The Atmosphere and Living Things: Most of the atmosphere is nitrogen, but it doesnt...
NDQ_000856
Gases in the atmosphere are too thin to block any solar rays.
a. true, b. false
b
Lesson: the atmosphere Why the Atmosphere Is Important: We are lucky to have an atmosphere on Earth. The atmosphere supports life, and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear. The Atmosphere and Living Things: Most of the atmosphere is nitrogen, but it doesnt...
NDQ_000857
The atmosphere is about 10 percent water vapor.
a. true, b. false
b
Lesson: the atmosphere Why the Atmosphere Is Important: We are lucky to have an atmosphere on Earth. The atmosphere supports life, and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear. The Atmosphere and Living Things: Most of the atmosphere is nitrogen, but it doesnt...
NDQ_000858
Sound waves travel through empty spaces between air molecules.
a. true, b. false
b
Lesson: the atmosphere Why the Atmosphere Is Important: We are lucky to have an atmosphere on Earth. The atmosphere supports life, and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear. The Atmosphere and Living Things: Most of the atmosphere is nitrogen, but it doesnt...
NDQ_000859
Solid particles in the atmosphere may include dust and soil.
a. true, b. false
a
Lesson: the atmosphere Why the Atmosphere Is Important: We are lucky to have an atmosphere on Earth. The atmosphere supports life, and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear. The Atmosphere and Living Things: Most of the atmosphere is nitrogen, but it doesnt...
NDQ_000860
Clouds could not form if the air contained no solid particles.
a. true, b. false
a
Lesson: the atmosphere Why the Atmosphere Is Important: We are lucky to have an atmosphere on Earth. The atmosphere supports life, and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear. The Atmosphere and Living Things: Most of the atmosphere is nitrogen, but it doesnt...
NDQ_000861
The density of air depends on how closely gas molecules are packed together.
a. true, b. false
a
Lesson: the atmosphere Why the Atmosphere Is Important: We are lucky to have an atmosphere on Earth. The atmosphere supports life, and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear. The Atmosphere and Living Things: Most of the atmosphere is nitrogen, but it doesnt...
NDQ_000862
The density of air is greatest at high altitudes.
a. true, b. false
b
Lesson: the atmosphere Why the Atmosphere Is Important: We are lucky to have an atmosphere on Earth. The atmosphere supports life, and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear. The Atmosphere and Living Things: Most of the atmosphere is nitrogen, but it doesnt...
NDQ_001007
Weather occurs because of unequal heating of the atmosphere.
a. true, b. false
a
Lesson: weather and water in the atmosphere What Is Weather: What do temperature, clouds, winds, and rain have in common? They are all part of weather. Weather refers to the conditions of the atmosphere at a given time and place. What Causes Weather: Weather occurs because of unequal heating of the atmosphere. The s...
NDQ_001008
The water cycle plays an important role in weather.
a. true, b. false
a
Lesson: weather and water in the atmosphere What Is Weather: What do temperature, clouds, winds, and rain have in common? They are all part of weather. Weather refers to the conditions of the atmosphere at a given time and place. What Causes Weather: Weather occurs because of unequal heating of the atmosphere. The s...
NDQ_001009
Warm air always sinks toward Earths surface.
a. true, b. false
b
Lesson: weather and water in the atmosphere What Is Weather: What do temperature, clouds, winds, and rain have in common? They are all part of weather. Weather refers to the conditions of the atmosphere at a given time and place. What Causes Weather: Weather occurs because of unequal heating of the atmosphere. The s...
NDQ_001010
If the relative humidity is 100 percent, it must be raining.
a. true, b. false
b
Lesson: weather and water in the atmosphere What Is Weather: What do temperature, clouds, winds, and rain have in common? They are all part of weather. Weather refers to the conditions of the atmosphere at a given time and place. What Causes Weather: Weather occurs because of unequal heating of the atmosphere. The s...
NDQ_001011
Cumulus clouds may grow very tall because of high air pressure.
a. true, b. false
b
Lesson: weather and water in the atmosphere What Is Weather: What do temperature, clouds, winds, and rain have in common? They are all part of weather. Weather refers to the conditions of the atmosphere at a given time and place. What Causes Weather: Weather occurs because of unequal heating of the atmosphere. The s...
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