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 ...
Answers & Comments
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.