nanan5555
nanan5555
04-03-2021
Biology
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What is a mold? in fossils
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leelee5172
leelee5172
04-03-2021
Body fossils include molds and casts. A mold is the imprint left by the shell on the rock that surrounded it. Molds of the underside of shell may be left on the surface of rock that formed when sand or mud filled the inside of the shell.
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