What are two of our defenses against nuclear attack? Bombs
missiles
sonar detectors
radar detectors

Which of the following was the center source of energy during the industrial a revolution

How do you think american life would change greatly, as soldiers went to war in europe?

This photo shows an early mesoamerican structure, specifically from the zapotec culture. what was this structure most likely used for? a.creating terraces for farm fieldsb.practicing religious ceremoniesc.playing a ball game with stone hoopsd.protecting a city from invading armies