On the basis of twin studies and other kinship evidence, researchers estimate that about of the differences in iq among children can be traced to their genetic makeup.

In piaget's stage, you would expect one to develop interest in ethics, politics, and social and moral issues.

Which statement best explains how world war ii to end the great depression? a. new job opportunities opened as the united states produced more military products. b. the u.s. army provided new jobs that paid better than any other work at the time. c. people had to worry more about war problems than about the economic crisis. d. the war caused people to trust the economy enough to spend more money.

How the environment of the northeast region affects the lifestyle of the people that live there