I WILL GIVE BRAINLIEST!!!!
The functional purpose of the ozone layer is

a. to increase the global temperature
b.to protect the earth from harmful UV rays
c.to decrease the concentration of greenhouse gases
d.to allow the passage of electromagnetic waves into the atmosphere

Respuesta :

The answer is B. To protect the earth from harmful UV rays.

First commenter is correct. The ozone layer acts as a world-wide umbrella that is able to protect the earth from harmful UV rays.