E & 4. A & 2. C & 5. B & 3. D & 1. Im not positive that these r the answers but, heres what <em>I think.</em>
Answer: 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.
Explanation:
