Відповіді: Стр.41 (5)

5. Correct the mistakes in each sentence.

1. If we plant more trees, the air will become cleaner.

2. The oceans will get more polluted unless we recycle more waste.

3. If the temperature rises, glaciers melt faster.

4. If we don’t protect endangered animals, some species will

disappear.

5. You will save energy if you turn off the lights when you leave a

room.

6. If we continue to burn fossil fuels, the planet will get warmer.

7. Unless we switch to renewable energy, we won’t reduce

pollution.