The troposphere is. 1.the warmest layer
2.responsible for weather and clouds
3.the coldest layer
4.warmed by earth’s surface
5.the lowest layer

The sun a. will become a red giant within two to three million years b. is in its main sequence, which willlast thousands of years c. is in its main sequence, which will last billions of years. d. will explode as a supernova after its main sequence

What is the quickest way to resolve problems from a supply shock?

B. speculate about one positive way and one negative way that this boundary has affected the geographical units it separates over time.