Question

which layer of the atmosphere prevents ultraviolet rays from coming on the surface of earth

Answer 1

The Ozone layer in the stratosphere, or upper atmosphere, prevents excessive amounts of utraviolent rays from the sun reaching the earth.

Answer 2

Ozone layer of the atmosphere prevents ultraviolet rays from coming on the surface of earth. Though the thickness varies seasonally and geographically, the ozone layer is found in the lower portion of the stratosphere, from approximately 20 to 30 kilometers above Earth.