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Chapter 17
Question | Answer |
---|---|
How do generators produce electrical energy? | by moving an electrical conductive material within a mechanical feild |
Define turbine. | a wheel that changes the force of moving gas or liquid into energy that can do work |
How does coal form? | from the remains of plants that lived in swamps hundreds of years ago |
What is in all grades of coal? | sulfur |
Where are most of the worlds oil reserves? | Middle East |
Define petroleum product. | anything that is made from crude oil |
Why cant we extract oil from under the ocean? | it is to expensive |