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Card 6

Front

List another disadvantage for hydroelectricity

Back

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Card 7

Front

Geothermal energy uses __ from earth to generate electricity

Back

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Card 8

Front

What are biofuels produced from?

Back

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Card 9

Front

Burning the fuel releases CO2 but no extra CO2 is released into air. Why?

Back

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Card 10

Front

Can biofules be used to power any vehicles?

Back

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Card 11

Front

One problem is that if we use land to grow crops for biofuel, it could...

Back

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Card 12

Front

Fossil fuels are formed from remains of organisms that exited millions of years ago. they're burned in ___ ___ to produce heat energy

Back

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Card 13

Front

What are the advantages of fossil fuels?

Back

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Card 14

Front

List the disadvantages

Back

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Card 15

Front

nuclear energy to produces from nuclear reactions within r___ material

Back

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