True or False: 1. The atmosphere is like a blanket of air surrounding the Earth.
2. The atmosphere is over two miles high.
3. The atmosphere retains heat at night.
4. That atmosphere protects us from the suns UV rays.
5. The air in the atmosphere gets thicker as you go higher.

5 is true

Explanation:

1. true

2. true

3. true

4.true

5.true

Explanation:

stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.

they deliver oxygen to the blood