If some people cut too many trees, - we have less fresh air., we have less fresh air. - If people cut too many trees,, It is difficult to stay healthy - when you have little water., If you leave ice in the sun, - it melts., If you stand in the rain, - you get wet., If you put water in the freezer, - it becomes ice., When the turbine creates energy, - the generator turns the energy into electricity.,

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