The theory that Native American Indians migrated across a land bridge from Asia to settle in North America is based on? A.
political studies.
B.
diaries written during the migration.
C.
archeological discoveries.
D.
an encyclopedia.

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.

When should you question a sources credibility

Researchers endeavoring to conduct an on-line study should consider that there are some potential risks of harm to subjects unique to internet based research. one if the risks is