Answers

2016-04-27T00:08:35+08:00
The sky helps by providing clouds and the sky helps also helps by being the limit for things like roller coasters
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2016-04-27T11:57:00+08:00
Sky is the vast space occupied by the atmosphere it helps because it serves as reservoir of all gases needed by plants and animals it also  contains the ozone layer that shields us from harmful effects of sun's heat
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