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.
