Answer the following question given this paragraph: 

The atmosphere protects living things from the Sun’s most harmful rays. Gases reflect or absorb the strongest rays of sunlight. Figure below models this role of the atmosphere.


Q: What is the name of the protective layer of gases that surrounds the earth and blocks harmful rays from the sun?

 Choices:

- the corona

- the protector

- the coma

- the atmosphere

A:
the atmosphere
