7. Exercises VII

Prepare a brief speech on global warming. You have to deliver the speech in your class. 

 

The continuous increase in the temperaturevolumepressure of the earth is called global warming. There are many reasons for it. One of them is the increase in combustionpopulationpollution. An increase in the number of vehicles is also one of the causes. Pollution of air has also increased global warming. Cutting treesplanetwoods and grazing the plants by animals increase global warming.