How does earth's atmosphere make life on this planet possible?
a. it provides everything needed for living things to survive.
b. it provides air and protects us from oxygen and sunlight.
c. it provides air and protects us from the sun's harmful rays.
d. it provides precipitation in the form of rain, snow, sleet, or hail.

C. It provides air and protects us from the Sun's harmful rays.

Explanation:

Without it we would all burn up from the suns rays

The anwer is C Because the Sun's rays are harmfull to living creatures

Explanation:

atomic number of carbon is 6

electronic configuration of carbon is 1s²2s²2p²

orbital diagram of c is as shown here in the image.