4. Which of the following is NOT caused by rising temperatures? 1 Sea levels rising almost 7 inches in the past 100 years.
2 Polar ice caps and glaciers melting.
3 The extinction of various species.
4 More carbon dioxide is being emitted.

4 More carbon dioxide is being emitted

Explanation:

I did some research and every one of them deals with rising temperatures.

So 3 or4 may be the answer, but I should say go with 4

4's cause is fossil fuels that people are burning for energy. That's why more carbon dioxide is being emitted.

b. 20: 5

explanation:

20% of the worlds population lives in southwest asia, and less than 5% of the world's

land area.