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Choose the correct word.
5
1 The ozone layer grows/surrounds the Earth.
2 It stops the harmful rays from reaching/discovering the Earth.
3 The ozone layer gives/allows the good rays to reach the Earth.
4 Scientists destroyed/discovered the hole
in the ozone layer in the 1980s.
5 If we don't do something about it, plants and
animals may become extinct/in danger.
6 Temperatures will rise/grow.
7 As the hole continues to destroy/grow, the planet is in danger.
8 Scientists are trying to find/realise ways to fix the problem.
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