Why are meteorites so valuble cosmic samples

Question

A. Because they represent some of the youngest material in our Solar System

B. Because they can tell us more about the other planets in our Solar System

C. Because they represent material from other planetary systems that no longer exist

D. Because we can learn a lot about our own atmosphere by studying them

E. Because they represent pristine material from the epoch of planet formation

Answer 1

The correct answer is (E).  They come from asteroids, which you can think of as leftover objects form the early history of the solar system.