Question

why is ozone layer very important for the earth atmosphere​

Answer 1

Answer:

Although the concentration of the ozone in the ozone layer is very small, it is vitally important to life because it absorbs biologically harmful ultraviolet (UV) radiation coming from the sun. Extremely short or vacuum UV (10–100 nm) is screened out by nitrogen.

Answer 2

Answer:

because it protects us from ultraviolet rays of sunlight