The form of pollution are, Air Pollution, Plant Pollution, Earth Pollution, The example of harmful contaminated are, human, Water, smoke, Things that contaminated the environtment are called, Pollution, Pullutants, Polluted, Pollution can harm...., People, Star, air, Human activities can make air pollution are, use fertilizer, dumping of waste, use car and motorcycle

Pullution

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恢復自動保存: ?