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Afina-wow [57]
2 years ago
10

What is a mold? in fossils​

Biology
1 answer:
Basile [38]2 years ago
8 0
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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The reason that  might cause a reaction that originally proceeds through the path of X to change and proceed through the path Y is the addition of a catalyst.

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