It is something people throw away when they no longer need it., pollution, energy, rubbish, waste, It means using something again instead of throwing it away., reduce, harmful, environment, reuse, It means to keep something safe from danger or damage., waste, reuse, rubbish, protect, It means to make something smaller or less., harmful, environment, protect, reduce, It describes something that can cause damage or danger., pollution, energy, rubbish, harmful, It is the natural world around us., protect, reduce, harmful, environment

Pollution and Environmental Problems

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