Energy that uses heat from hot rocks deep in Earth's crust.

What type of energy is created from flowing or moving water usually through a dam.

What type of energy comes from burning plant waste or animal manure?

Renewable resources are endless and take 100 years or less to replace themselves.

Renewable resources are generally "clean" meaning they do not pollute. Is this and advantage or disadvantage?

What is the primary source of most energy on Earth?

Natural resources can be...

All of the following are considered renewable energy sources EXCEPT –