Which of the following statements is true? With an explanation For your answer.

A)

Since 1940, the production of electricity in the U. S. has not increased.

B)

Fossil fuels take millions of years to form.

C)

Most of the world's population lives in industrial areas.

D)

Hydroelectric power plants do not impact the environment.

Asap! how does the distance between two objects affect the force of gravity? how is the moon dependent on the sun?

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Humans are believed to have evolved in coastal regions in east africa. the region had an abundant supply of fish for early humanoids to eat. when scientists analyze the fads gene they see an interesting pattern. people whose families have lived in this area of east africa for generation show a high level of diversity in alleles for the fads gene. conversely, people whose families had migrated inland a moderate distance from sources of fish showed a much lower diversity for fads gene alleles. additionally, the fads alleles found in people whose family has lived inland for generation are almost all gene alleles which produce fads proteins with a high level of function and activity. how do anthropologists explain this?