Explain how changes in weather in weather are caused by the interaction of air masses?

When did the rise of the Songhai Empire occur? A. 1076 CE B. 1240 CE C. 1400 CE D. 1591 CE

Is a map scale a ratio that converts one distance into another?

Why our earth is called unstable

Which of the following best describes the relationship between the United States and China? A) Both are dependent equally on each other for continued economic success.

Geographic information systems are used in physical geography, but not in human geography true or false

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.