Anyone know how to do this question? Any attempt would be very helpful.

Which event would lead to primary succession of a forest?

What is the next step in the process after a substrate enters the active site of an enzyme

The many stone tools, fragmentary animal bones, and teeth found at gran dolina, spain, indicate that hominids there? a. processed and consumed animals and other hominids. b. did not differ appreciably from earlier asian homo erectus. c. were similar to later homo sapiens. d. none of the above