Hydroelectric energy, wind energy and solar power are examples of these. They are not bad for the environment because you can use them again and again.
Renewable resources
This is water that is thrown away when we flush the toilet or dump water in the drain or when you use too much water.
waste water
We use this in our houses for our appliances(dishwashers, hot water heaters, ovens, microwaves, stoves, etc.). It is made with hydroelectric, wind and solar power.
Electricity
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