Listen and complete the sentences. Use no more than two words.
1. The talk is about ____ and the damage they cause to our planet.
2. Acid rains mostly found in _____ and Europe.
3. These areas have the most cars and ____ that produce harmful chemicals.
4. Governments are forcing them to ____ the amounts of poisonous fumes.
5. We can help by using less ____.
6. ____ in lakes and streams can extinct.
7. Acid rains can damage buildings and even _____.
8.I f we used ____ more often, the atmosphere wouldn’t become so polluted.