Question

How can we use rocks to determine how an area used to look in the past?

Answer 1

@SchoolSlacker help plz

Answer 2

ohh

Answer 3

i know this lemme remember

Answer 4

k

Answer 5

rocks make fossils, which can tell us about animals that lived millions of years ago.
also, the layers of rock can tell us about the timeline of events in the past.

You can also look at this http://wiki.answers.com/Q/How_do_rocks_help_scientists_learn_about_earth's_past