Complete the sentences with the correct forms of the words in

Complete the sentences with the correct forms of the words in brackets.
1. What can we do to reduce the ________ (pollute) of the atmosphere?
2. The change in the climate has produced __________ (disaster) floods.
3. Millions of people in the world are threatened with __________ (starve).
4. Many countries must try and control the growth of the _____ __ (populate).
5. Many rare species are threatened with __________ (extinct).
6. Protecting the environment is essential to our ________ (survive).
7. While some countries get richer, the __________ (poor) in others gets worse.
8. Many of the gases produced by factories are ________ (harm) to our health.
9. The _________ (protect) of the environment is everyone's responsibility.
10.Exhaust fumes have _________ (damage) effects on the environment.