Why do you think it is so difficult for some people to accept the idea of continental drift?

Historians trace the origins of a 24-hour day to a) the Aztecs. b) the ancient Egyptians. c) the druids of Stonehenge. d) the Babylonian astronomer, Meton. e) the Mayans.

Generally speaking, how does the age of geologic structures in Colorado compare with the age of those in Florida?

Which of the following describes federalism? a strong loyalty to a state or region, sometimes at the expense of a nation the idea that the US Constitution periodically can be updated or changed the idea that a state could refuse to follow a federal

Outline four causes of Earth quakes

write a paragraph that describes at least two problems associated with the damming of the Colorado River.

In your own words, describe how a primary wave moves.

Based on studies of planetary systems around other stars, which of the following statements are currently believed to be true about how common or rare it is for stars to have planets in orbit around them?

The less mass in a given volume of air, the a. more the air weighs. b. greater the air pressure. c. more dense the air. d. less dense the air.

Which is the most destructive kind of mass movement

What immediately happens to rainwater when it falls to earth? What eventually happens to it?