1.
- The changing of liquid to a gas.
2.
- The major source of pollution.
3.
- Carbon dioxide and water vapor trapping heat given off by Earth.
4.
- Layer absorbing ultraviolet rays.
5.
- The changing of a gas to a liquid.
6.
- Layer responsible for reflecting radio waves.
7.
- The layer in which weather changes.

1.more
2.longer
3.warmer
4.northern
5.less
6.shorter
7.colder
8.southern
7 becuse it splits in half
Answer:
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Explanation: