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Card 6

Front

what is biological weathering caused by?

Back

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Card 7

Front

what is chemial weathering caused by?

Back

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Card 8

Front

what is physical weathering caused by?

Back

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Card 9

Front

what is freeze-thaw?

Back

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Card 10

Front

what is erosion?

Back

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Card 11

Front

how does light travel?

Back

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Card 12

Front

what is a incident ray?

Back

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Card 13

Front

what is a reflected ray?

Back

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Card 14

Front

what is the angle of incidence?

Back

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Card 15

Front

what is the angle of reflection?

Back

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