How did native americans arrive in north america? a. they sailed from europe. b. they crossed the land bridge from asia. c. they sailed from africa. d. they journeyed from south america.

Ineed quickly! which of the following would not be considered an example of the transition of europe into the formation of larger nation-states? a. the hundred years' war b. the unification of italy c. the marriage of isabella and fernando d. the height of feudalism

Southeast asia relies on its many because of the volcanic, mountainous terrain. a. highways c. rivers b. airports d. lakes

How can studying economics us make better choices about how to use scare resources