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An example of physical weathering by animals is when:
water expands when it freezes in cracks in rocks, gradually breaking them.
physical and chemical changes
weathering
The processes that involve the movement of soil and rocks.
people walk on grass instead of the designated paths
digestive enzymes
erosion by wind and water
gradually breaking down the rock into smaller pieces.
Which process is most responsible for the formation of the Grand Canyon?
water expands when it freezes in cracks in rocks, gradually breaking them.
physical and chemical changes
weathering
The processes that involve the movement of soil and rocks.
people walk on grass instead of the designated paths
digestive enzymes
erosion by wind and water
gradually breaking down the rock into smaller pieces.
Water can break down rocks because:
water expands when it freezes in cracks in rocks, gradually breaking them.
physical and chemical changes
weathering
The processes that involve the movement of soil and rocks.
people walk on grass instead of the designated paths
digestive enzymes
erosion by wind and water
gradually breaking down the rock into smaller pieces.
The freezing and thawing action of water affects a rock by
water expands when it freezes in cracks in rocks, gradually breaking them.
physical and chemical changes
weathering
The processes that involve the movement of soil and rocks.
people walk on grass instead of the designated paths
digestive enzymes
erosion by wind and water
gradually breaking down the rock into smaller pieces.
Which process comes first, erosion or weathering?
water expands when it freezes in cracks in rocks, gradually breaking them.
physical and chemical changes
weathering
The processes that involve the movement of soil and rocks.
people walk on grass instead of the designated paths
digestive enzymes
erosion by wind and water
gradually breaking down the rock into smaller pieces.
How can we define erosion?
water expands when it freezes in cracks in rocks, gradually breaking them.
physical and chemical changes
weathering
The processes that involve the movement of soil and rocks.
people walk on grass instead of the designated paths
digestive enzymes
erosion by wind and water
gradually breaking down the rock into smaller pieces.
Weathering can involve both
water expands when it freezes in cracks in rocks, gradually breaking them.
physical and chemical changes
weathering
The processes that involve the movement of soil and rocks.
people walk on grass instead of the designated paths
digestive enzymes
erosion by wind and water
gradually breaking down the rock into smaller pieces.
All of the following can cause erosion, except
water expands when it freezes in cracks in rocks, gradually breaking them.
physical and chemical changes
weathering
The processes that involve the movement of soil and rocks.
people walk on grass instead of the designated paths
digestive enzymes
erosion by wind and water
gradually breaking down the rock into smaller pieces.
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