Exercise 6. Write complete sentences about air pollution, using the words and phrases below. You may have to add linking words and make changes in the word form, if necessary.
Câu 1: One / biggest environmental impacts of human activities / air pollution
Câu 2: Smoke / aircrafts / factory chimneys / bonfires / different kinds of vehicles / streets / many / other factors / damage / clean air / every day
Câu 3: Industrial factories / throw / air / huge amounts / pollutant gases
Câu 4: The air / many areas / so unclean that / people / have to / masks / going / streets
Câu 5: Air pollution / lead / greenhouse effect / make / temperature / Earth's surface / higher
Câu 6: Global warming / lead / polar ice caps melting / rise of worldwide sea levels / climate changes / other natural disasters.
Câu 7: Everyone / live / earth / should have / responsibility / reduce / air pollution / protect clean air / our survival
Câu 8: Worldwide governments / should have / control measures / reduce air pollution / and / protect / natural environment / future generation

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