Identify 1 mistake among 4 underlined parts

I.                   Identify 1 mistake among 4 underlined parts.

1. The environment is frustrated at many activities of human beings who irresponsibility is causing great damage to their surrounding

2. The recycling of waste paper and old newspapers help us save a great amount of wood.

3. Because of the interference of human beings, many animals have become extinction.

4. The survive of endangered species depends a great deal on the awareness of human beings.

5. Naturalists have identified at least four hundred of species of mammals and six hundred types of birds in the state of California.