Alternative Energy Sources

We use energy every day. We use it to heat our homes. We use it to bake a pizza. It is used to power a car. Energy gives us the power to do work. It comes from two types of resources. Renewable resources are one type. These are resources that can be replaced in a short time. One example is solar energy. Another is wind energy. Non-renewable resources are the other type. These take millions of years to be replaced. One example is coal. Another is oil. We use a lot of coal and oil in the .....


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