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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