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

3. What's the relationship between the temperature and the density of a substance? O A. As the temperature increases, the density decreases. O B. As the temperature decreases, the density decreases. O C.

If a report on the Galapagos Islands has a section that says "Species of the islands" do you guys think I have to list every species on the islands or would you say that I just pick a few?

Describe facts and details about the Midwest that make it different or unique. Name a cultural landmark in the Midwest. Explain why this landmark is important to the Midwest.

Bauxite is used to produce aluminum true or false?

What are the pros and cons of reducing America's reliance on foreign oil?

The learning zone is defined as the attitude it takes to become a better student. things you already know and are comfortable with. way you study, whether you have been successful or not. willingness to take a risk and try something new.

Which two groups have the largest population in Canada? the British the French the Inuit the Vikings

Which of the following supports the theory of continental drift? A. The depth of the oceans B. The climate of the South American continent C. The size of glaciers in Alaska D. The fossil record

4. What penninsulas can be found in North Asia?

Which of the following oceans separates North America and Europe? Arctic Atlantic Pacific Southern