Alternative energy sources

Alternative energy sources

2020.06.17. 0

What are the alternative energy sources?
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wind power, solar energy, geothermal energy, hydroelectric power ...

Why do we need alternative energy sources?
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infinite, pollution free, burning fossil fuels, greenhouse gases

How can solar power contribute to our financial situation?
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initial cost is high but it is worth it in the long run….

What are the advantages and disadvantages of a windmill?
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environment friendly, renewable energy, clean, expensive, dangerous, needs a lot of space etc.

What makes alternative energy expensive?
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rare, expertise, initial costs, maintenance etc.

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