wind blowing sand into other rocks causing firction to rub off the surface of the rock OR when water gets into cracks and then freezes during cold night and melts during warm days.
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what is biological weathering
roots of plants bury into cracks in rocks as they search for water. this causes the cracks to widen and eventually the rocks break off
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what kind of surface doo smaller rocks have?
large
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what are the 3 fossil fuesls
coal, oil and gas
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what are fossil fuels made of
dead plants and animals from millions of years ago
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