Collocations: Match the words in A to the words in B and use them to complete the sentences.

1. Toxic fumes is very harmful to the environment. 2. A lot of factory waste is dumped into this river. 3. Chemicals cause acid rain. 4. Natural habitats is environmentally friendly. 5. Many plant species are in danger of dying out. 6. Forest fires cause many animals to lose their solar power. 7. How can I avoid breathing pollution from cars while cycling in the city?