Managing Energy Sources

Why is coal still used to produce energy despite the amount of pollution burning coal produces?

• Compared to other fuels, coal produces more energy.

• Compared to other fuels, coal is still relatively cheap and plentiful.

• Coal burns without producing greenhouse gases.

• Coal is a renewable source of energy.

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Which of these is a DISADVANTAGE of using nuclear energy.

• Nuclear power plants do not produce many greenhouse gases.

• Nuclear power plants produce a lot of energy.

• The disposal of nuclear waste can negatively impact environments.

• Nuclear power reduces our dependence on fossil fuels.

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Which of these is an advantage of using fossil fuels over solar power?

• Fossil fuels require less maintenance.

• Fossil fuels are cheaper.

• Fossil fuels are renewable.

• Fossil fuels can produce energy regardless of the weather.

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The building of a dam will most likely

• Stop water pollution.

• Destroy many animal habitats.

• Allow fish to move upstream more easily.

• Cause people to drink more water.

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Electric cars are expensive to own and recharging stations are not readily available. Why do people still choose to use this technology?

• They think they're better than everybody else.

• Batteries are a better source of energy than fossil fuels.

• The technology is environmentally friendly.

• Because everybody else is getting an electric car.

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Despite electronic devices containing materials that can be toxic to the environment when thrown away, why do humans still continue to use them?

• Because they have become cheaper over time.

• Because we can recycle them.

• Because industries that produce these devices are run by good people.

• Because humans value the benefit of these devices over their cost.

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A community that uses nuclear energy most likely views the value of it how?

• It is cheap.

• The negative effects have been exaggerated and can be ignored.

• The benefits of using nuclear energy outweigh the risks.

• It is necessary because there are no alternatives.

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One long-term effect of rainforest deforestation is

• It will increase the biodiversity of that ecosystem.

• More plants that can be used for medicine will be discovered.

• There will be an increase in the gene pool for future organisms.

• Organisms may become extinct.

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Which activity most likely contribute to solid waste pollution in streams and landfills?

• Buying products packaged in disposable containers.

• Using natural fertilizers on lawns.

• Composting our waste.

• Recycling glass, paper, and aluminum products.

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