Question

IINTO TO PASSIVE:
HELP ME

Answer 1

1. Earth’s oxygen is generated by the plants of the rainforest.

2. Only 2 per cent of 250,000 known plant species have been investigated by scientists for their possible medicinal value.

3. Projects to ensure the survival of the ecosystem are constantly being developed by environmentalists.

4. Tougher environmental laws have to be passed by governments and elected officials.

5. The Hawaiian monk seal was nearly driven to extinction by the oil exploration business.

6. The environment was protected by Greenpeace long before it became fashionable.

7. The blue whale had been hunted almost to extinction by whalers.