Fill in the Blanks Hometask #7 The environmentOnline version Fill in the gaps. by Andreeva Teacher 1 forest rain prefer species alternative warming layer recycling acid ozone fossil solar greenhouse pollution global 1 . The tropical is being cut down . 2 . By glass , metal and paper , we save energy . 3 . Scientists have detected holes in the , which will allow harmful radiation to reach the surface of the Earth . 4 . Some gases trap heat in the Earth's atmosphere , causing the so - called effect . 5 . One result of is likely to be a disastrous rise in sea levels . 6 . Heavy industry causes a great deal of air . 7 . Solar energy and wind energy are sometimes called " " energy because they are used instead of coal , oil and gas . 8 . panels use the sun's energy to heat water . 9 . Human activity has destroyed many animal . 10 . People still their own cars to public transport . 11 . Coal , oil and gas are known as fuels . 12 . Damage has been caused to forests by rain .
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