Answer:
Darwin's main contribution to the theory of evolution was his theory of natural selection.
Explanation:
Natural selection is the phenomenon that some organisms from a particular population fit better into their environment, that is, are more likely to provide surviving offspring than less well-adapted organisms. The best adapted organisms will increasingly gain the upper hand within the population (survival of the fittest). It is thus one of the mechanisms of evolution. Mutations in, and recombinations of, the genetic material of the organisms cause the genetic variation in the population, allowing this selection.
Answer:
CORE
Explanation:
Norman and Velma Hill, longtime civil and labor rights activists interrupted LBJ's speech. The Congress of Racial Equality, CORE, was their group.
Answer: because two of them could be in the same political parties and this could lead two a tie as well as competition in the same party
Explanation:
Answer:
D - to work with businesses to promote economic growth
Explanation:
The secretary is concerned with promoting American businesses and industries; the department states its mission to be "to foster, promote, and develop the foreign and domestic commerce"
