Why do you think wegener was unable to prove the theories of continental drift and plate tectonics before his death in 1930?

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Apuppy’s tendency to chew is inherited through which of the following? a. through learned behavior b.through genes c. through seasonal cycles d. through hibernation

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