Question

What is the Ozone layer?

Answer 1

"The ozone layer is the layer in the upper atmosphere that contains a higher concentration of ozone than the rest of the atmosphere"

Answer 2

"a layer in the earth's stratosphere at an altitude of about 6.2 miles (10 km) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun."

Hope this helps!