The principle of what stats that an older rock layer and things buried in it occur beneath younger layers unless the layers have been disturbed.

The effect of periodic changes in Earth's orbital eccentricity and magnitude and direction (precession) of Earth's axial tilt on the advance and retreat of ice sheets was first proposed by:

Which of the following best describes the location of sub-Saharan Africa? A. the part of Africa that extends out into the Indian Ocean B. the part of Africa that includes the Sahara and the Sahel C.

How have cliffs been affected by humans?

The state providing the majority of potatoes to the American diet

A plane crashed on the boarder of Canada and the U. S., where do they bury the survivors?

Why do the North and South pole experience seasons differently than the rest of the planet? Why do they have periods of continuous daylight or continuous darkness?

According to the International Astronomical Union, which of the following is one of the criteria for an object to classified as a Planet? Select all that apply.

What physical features are the five largest cities in the u. S. Near?

Because of his failed economic plan, Mao Zedong later opened China up to foreign trade. True False

Your friend tells you that our orbit is so special that it is at just the right distance from the sun for us to be at the right temperature for life to flourish. He says that if we were even ten miles closer to the sun, we would burn up.