Which greenhouse gas has an average lifetime in the atmosphere of a few weeks to thousands of years and is the largest contributor to climate change?

a) carbon dioxide

b) methane

c) nitrous oxide

D) fluorinated gas

When did China set the 1 child policy and why?

Predict which major plate will move the most over the next five hundred years.

Name the of mountian range in European Russia

What is a Batholith volcano?

In which country is golf thought to have originated? 1=wales 2 = scotland 3=france

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.

The suns energy is classified by what

Earth is a closed system. that means the amount of rocks, metals, carbon, nitrogen, oxygen, and water on earth ___. so it is essential that bio geochemical cycles __ these materials as they move through earths subsystems A: remains constant.