Answer:
Right choice:
Africans crossed into South America when Africa and South America were one continent.
Explanation:
Such a statement is totally absurd. Humans as a species had not appeared on planet Earth when present-day Africa and South America were part of the same land mass hundreds of millions year ago. So, African could not cross to South America in the times of Pangea, the only megacontinent in the planet´s evolution. The other options are theories of the origins of man in the Americas, though there´s no consensus in the academic community.
Alexander Palmer justified the Palmer Raids of 1919 and 1920, because he believed there was a serious sense of urgency in raiding and deporting people he perceived were a threat to American ideals and believed it was his duty to protect the United States from Communism. He did not want to be stopped from this project and appointed people to take over when he was unable to lead the raids himself.
B.68.5×10^-8 is the only possible answer
Answer:
One way to get extra information that might help you determine the relative ages of these rocks is to examine any fossils contained in the layers. The time period that these fossils appear might be known, and this could help you begin to sort out which rock layers are older than others.
Explanation:
on edgenunity 2020
