According to Newton's Second Law of Motion, which block would have the greatest acceleration?
10-newton
force
2 kilograms
20-newton
force
2 kilograms
(1)
(2)
O (1)
(2)
10-newton
force
4 kilograms
20-newton
force
4 kilograms
(3)
(4)
(3)
(4)

Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d. the size of the geographic area inhabited by a population can cause speciation.

What is the primary goal of human communities?

What causes darkening of the skin as melanin production increases