Unit 3. What’s Your Knowledge? » Стр.87 (18)

Fill in the missing words. 1. We breathe in oxygen and breathe out carbon dioxide. 2. We have to take care of our enviroment because our lives depend on it. 3. Farmers and big companies are destroying rivers in South America. 4. Most countries now have laws to protect animals in danger. 5. Air pollution from factories and cars destroys people's health. 6. One of the wavs to get rid of garbage is vecucle. 7. The Earthis the planet we live on. 8. A great number of animals and plants have become extinct. 9. A lot of oil is spilled into oceans every year. 10. Greenpeace is an organisation that tries to protect the environment.