A geologist finds indentical index fossils in a rock layer in the grand canyon in arizona and in a rock layer in northern utah, more than 675 kilometers away. what can she infer about the ages of the two rock layers

The two rock layers are about the same age

Explanation:

a geologist finds indentical index fossils in a rock layer in the grand canyon in arizona and in a rock layer in northern utah, more than 675 kilometers away. she will infer that the two rock layers are about the same age

i think it’s c i believe that

answer; creep;