Task 1. match the beginnings of the sentences (1-10) with their endings (a-j). 1) global warming means that 2) heavy traffic and exhaust fumes 3) the emissions produced by factories 4) the pesticides used on crops in the countryside 5) heavy rain and rising water levels in rivers 6) most households produce large amounts of waste 7) the ozone layer 8) large amounts of radiation 9) if you recycle things that have already been used 10) i prefer organic food because a) pollute the air in most cities. b) which is taken to landfill sites. c) have caused serious flooding. d) create acid rain which destroys crops. e) the weather is becoming hotter and drier. f) are dangerous to birds and other wildlife. g) you process them so that they can be used again. h) protects living things from the harmful radiation of the sun. i) can cause illness and death. j) it is produced without artificial chemicals or pesticides.