For the answer tot he questions above, the answer is "paleoanthropology"
It is also called human paleontology. It is a <span>branch of anthropology that is concerned with the origins and development of the early humans.
I hope my answer helped you.
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Im totally guessing here but im gonna go with choice b
Answer:
The valves' main job is to keep the blood moving in one direction – back up towards the heart. When the valve is open, blood freely flows upward towards the heart and when the valves are closed, blood cannot flow back
Your answer should be A: areas at high latitude
Hope this helps:)
