Task 4. (10 points) Complete the sentences with a word or phrase from the box. There some extra words in the table. Environment 1. Carbon dioxide is one of the ______ that leads to global warming. 2. When polar ice caps melt ______ will rise and many areas will be flooded. 3. The existence of the rainforest is ______ by companies that cut down trees. 4. Examples of ______ energy are wind and solar power. 5. Many animals will ______ if we don't save them. 6. We should try to recycle our ______ and try not to use too much packaging. 7. ______ will go up by up to 4º by the end of the century. 8. The ______ tells you how much carbon dioxide you produce with your activities. 9. The population in big cities suffer from ______, caused by factories and cars. 10. Trees in the tropical rainforest produce much ______ that we need to breathe.