Fossils help geologists to put different kinds of rocks in the same age group. Fossils
also give information about the conditions that existed when they were alive. and
similar fossils in different places help in the study of continental drift.
The most useful fossils are of plant and animals which lived in a wide variety of places ,
but only for a short period of time these are called index fossils.
also give information about the conditions that existed when they were alive. and
similar fossils in different places help in the study of continental drift.
The most useful fossils are of plant and animals which lived in a wide variety of places ,
but only for a short period of time these are called index fossils.
what type of animal is this?
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