Which of the following statements regarding ozone layer within the atmosphere is/are correct?_x000D_ 1. It absorbs most of the ultraviolet radiation found in the Sun's rays._x000D_ 2. Chlorofluorocarbons are serious threat to the ozone layer._x000D_ Select the correct answer using the code given below:

• A. 1 only
• B. Both 1 and 2
• C. 2 only
• D. Neither 1 nor 2