B. Find the mistakes.
I see a plane in the sky.
A lot of factories pollute our atmosphere.
The Sun is the biggest star in our Galaxy.
People went to the Moon in the 20-th century.
C. Translate into English.
Animals, plants, seas and oceans need our help.
The environment is in danger.
The water in this river is polluted.
People breath air and drink water.
Помогите пожалуйста,завтра уже нужно.
11.11.2015