memo213le1 memo213le1

06-09-2018
Biology

contestada

Biology - - 30 Points!!

Why is it rare to find fossils of animals from before the Cambrian Period? What about these animals makes it rare for them to form fossils?

(Answer both questions as soon as possible please!)

Respuesta :

huntjan1 huntjan1

06-09-2018

well when they were around that was decades and centuries ago so the bones have probably deteriorated from being pushed so far down in the earth

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