Why are the miller-urey experiments essential to the theory of evolution?

the correct answer is:

they show how organic molecules could be made from earth's early atmosphere.  

explanation:

the miller–urey experiment lasted a chemical experiment that mimicked the forms created at the time to be present on the early earth and tested the chemical element of life under those circumstances. the experiment confirmed alexander oparin's and j. b. s.

answer; i believe its (ovulation);