nsmendesarmyc nsmendesarmyc

15-09-2017
Biology

contestada

Which of the following come from types of organisms that lived during
only one short period of time and that are used to determine the
relative age of rocks?
a. imprints
b. index fossils
c. trace fossils
d. extrusions

Respuesta :

bruiser4 bruiser4

15-09-2017

I think it's b. Or c. Sorry if it's wrong but I'm pretty sure it's one of those

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