When a cell doubles its diameter, its internal volume increases by
a. 2
b. 4
c. 6
d. 8?

Which ocean is on the eastern coast of north and south america? arctic ocean indian ocean pacific ocean atlantic ocean

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

2points what do bacteria have in common with the cells of other living organisms?