8. Consider the following statements:
Statement I: Over hundreds of millions of years, photosynthetic organisms converted what was once a carbon dioxide-rich atmosphere to one in which oxygen is the most common component.
Statement II: A balance between oxygen-producing photosynthesis and oxygen-using respiration maintains the current level of oxygen.
Choose the most appropriate answer from the options given below

1. Both statements 1 and 2 are correct

2. Statement 1 is correct but Statement 2 is incorrect

3. Statement 1 is incorrect but Statement 2 is correct

4. Both statements 1 and 2 are incorrect

Correct Answer :

Statement 1 is incorrect but Statement 2 is correct