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2 years ago

15

!!!!!!H-E-L-P!!!!!!!!!! How do index fossils help scientists establish how old rocks and other fossils are? In your answer, incl

ude fossils in the same layer of rock, in a lower layer of rock, and in a higher layer of rock compared to an index fossil.

1 answer:

ratelena [41]2 years ago

3 0

Answer:

safari could help, learnt this a few years ago, totally forgot!!

Explanation:

:).

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