Which of the following are the functions of ecosystems?
1. Detoxification and decomposition of wastes.
2. Destabilization and moderation of the Earth’s climate.
3. Generation and renewal of soil fertility, including nutrient cycling.
4. Purification of air and water
Which of the statements given above are correct?
1
1, 2, and 3 only
2
1, 2, and 4 only
3
1, 3, and 4 only
4
1, 2, 3, and 4