1.............................
The change in the frequency of an existing gene allele
For their way of living before, the early humans cannot dwell in permanent homes. Thus, the answer to this question is letter C. This is because it was essential for them to move from one place to another because they were just dependent on the natural abundance of the source of food in a certain area.
Answer:
C I believe
Explanation:
He was a french emissary who "severely strained Franco-American relations by conspiring to involve the United States in France’s war against Great Britain." -britannica
It is certainly not for altruistic purposes. Although he does have a point about the fact that energetic independence would boost American security by avoiding trade with brutal, dictatorial regimes as Islamic Saudi Arabia, Iran or other totalitarian regimes which provides them with funds; Pickens is mainly interested in furthering his own interests with regards to his own economic stakes in the fracking industry of shale gas and oil.
He also wants demand of oil and other fossile fuels to be reduced so thattheir prices go up, increasing his profit margins exponentially. He definitely does not care about the deleterious effects of fracking on the environment.