The property that distinguishes the thermosphere most is the presence of

A. Carbon Dioxide

B. Ozone

C. heat

D. oxygen

What factors cause variations in climate and vegetation in the United States

Which of the following choices is an effective way to fight desertification? A. irrigation B. urbanization C. soil erosion D. tree plantings

How does the variety of plants in a biome affect the variety of animals in a biome?

Explain negative consequences associated with limiting women's property rights.

What is not a possible result of eutrophication in a lake?

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.