Question

What is it called cavity left behind in the rock after an organism's hard part has dissolved.

Answer 1

Mold

Explanation:

A mold is a cavity that is left behind in the rock after an organism hard part has been dissolved. These are important fossils that useful in relative dating.

• Some hard parts of organism are preserved in form of molds in soft sediments.
• The outline and important details of the hard part is preserved when the mold dissolves away.
• Fossil molds are representative on the internal outline of the hard parts of organisms.
• They are usually recognized as a part of body fossil in a section.

learn more:

Fossils brainly.com/question/7382392

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