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Study
Weathering and Erosion
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A process that breaks up rocks, but does not change the chemical composition of the rock.
physical weathering
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The gradual movement of soil downhill is called:
creep
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True or false? Landslides cause a tiny amount of damage compared to other natural disasters.
False
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Large sediments are pushed along the ground by wind in a process known as:
traction
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True or false? Runoff causes erosion.
True
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Burrowing animals weather chemically, biologically, or physically?
biologically
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What type of soil typically is responsible for a mudslide
clay
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Wind-blown sand polishes rocks in a process known as:
Abrasion
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Small sediments carried high in the air move by:
suspension
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True or false? An earthquake can trigger a landslide.
True
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Small particles are carried and stay mixed with water
suspension
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True or false? Slump creates crescent-shaped scars.
True
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True or false? Gravity causes water to flow from higher to lower ground.
True
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freeze-thaw is chemical, biological or physical?
physical
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Acid rain breaks down rocks chemically, biologically, or physically?
Chemically
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erosion of a sea arch can form a:
sea stack
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movement of larger particles that move in little jumps near the bottom of a stream
saltation
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pillars of rock left behind by wave erosion
sea stacks
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What is it called when sediments are picked up by glaciers and freeze to the bottom?
plucking
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Breaking down rocks is known as:
weathering
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medium-sized sediments carried close to the ground and move in short hops
saltation
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Name the two ways glaciers erode
plucking and abrasion
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when a cliff is eroded on both sides by waves forming a hole, this forms
sea arch
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movement of large particles that roll along the bottom of a body of water
traction
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sediments frozen to the bottom of a glacier scrape the underlying rock
abrasion
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Weathering due to????
acid rain
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