Question

what is fossil ?Define Fossil
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Answer 1

A fossil is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in amber, hair, petrified wood, oil, coal, and DNA remnants. The totality of fossils is known as the fossil record.

Answer 2

Answer:

fossils------->

the dead and decaying plants and animals that burried under earth crust..

the dead and decaying plants and animals that burried under earth crust..for millions of years .. because of high pressure and temperatures they changed into fossils ..

eg----petroleum,natural gases