Question

Complete the sentences about ecology ,using the comma where necessary.
1. ... if we use filters.
2. ... if we don,t dump waste into rivers.
3 . If children take care  of animals ...   .
4. ... if people don,t destroy  their habitats.
5. When I come to the country ....
6. They will see many species of mammals when ...

Answer 1

1. The air will be pure if we use filters.
2. The water will be clear if we don't dump waste into rivers.
3 . If children take care  of animals, they will live longer.
4. Humanity will exist if people don't destroy  their habitats.
5. When I come to the country, I will use solar batteries.
6. They will see many species of mammals when they visit our reservation park.