A large bowl contains a mixture of soil and iron powder. What would be the best way to separate the iron powder from the soil?

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

Dna replication occurs in preparation for

Why is it bad that some cancer cells can make their own growth hormones?