1. Because the seas and rivers are too dirty to swim in.

2. Yes, there is.

3.  Bạn hãy chép từ "We are cutting đến is to little rice." 

4. Because many areas of the earth are wasteland.

5. We must protect the earth because is is inhabited by on human beings and creatures on earth. Without the earth there would be no human if we wanted to destroy to earth.

Chúc bn hok tốt!!!

1. Because the seas and rivers are too dirty to swim in.

2. Yes, there is.

3.  "We are cutting down many trees................. little rice." 

4. Because many areas of the earth are wasteland.

5. We must protect the earth because is is inhabited by on human beings and creatures on earth. Without the earth there would be no human if we wanted to destroy to earth.