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The demand for energy is growing around the world. It is increasing for these reasons:
-Population increase.
-Industrialization and urbanization.
-Improvements in standards of living and expectations.

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There are different types of enegy sources.

What is meant by...
-Non Renewable Sources:
-Renewable Sources:

Can they be called something else? How?

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This image belongs to renewable or non-renewable sources? (Nuclear Power)

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This image belongs to renewable or non-renewable sources? (Geothermal Power)

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Sort in descending order from highest danger to the environment to the lowest danger to the environment.

Oil -Natural Gas - Nuclear Power - Coal

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Generator is a machine that converts mechanical energy into ....................... (Complete)

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There are different types of using energy sources. Name the 3 factors. (Complete)

-E............. Factors.
-E............. Factors.
-S............. Factors.

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Fossil fuels include...

(There are 3 true and 2 false)

- Natural Gas
- Oil
- Biogas
- Wood
- Coal

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What is meant by Ecofriendly?

What types of fuels are in it?

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Biofuels are know as fuels that are extracted from crop plants.

Name three examples of crop plants.

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Complete.

Bioethanol is a R...... E...... that is produced by .......................

True or False.
-Biogas can be produced from a range of inorganic wastes such us food waste and household waste.
-Biogas is formed by the decomposition of the organic matter.
-Biogas main component is Nitrogen.

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Name two advantages and disadvantages of using bioethanol.

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There are 3 main uses of energy.
- D............. Demand.
- I............. Demand.
- T............ Demand.

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Domestic demand for energy will dependent upon the relative affluence of the people. If economic condictions are good, will be higher employment,etc. And vice versa.

So, what is meant by a Poor Economy? Answer.

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What does the climate depend on?