Which of the following is most accurate in pinpoint a time period on the geologic time scale during which rock layer was formed ? a - index fossils b cave deposits c heat flow d sandstone

You seem to have posted this in the wrong subject. anyways, the correct answer is a.) index fossils.

A)26•2=52there are 2 sides with the same length116-52=64the other 2 side have to be half of 64 each64/2=32the width is 32b)make two sentences about these steps because your teacher knows how you write and explain things.