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1
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another disadvantage to solar power
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2
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second most abundant element in earth's crust
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3
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country where solar power is not practical
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4
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concentrates sunlight, converts it into heat, and applies it to a steam generator or engine to be converted into electricity
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5
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required by wind power and hydropower but not by photovoltaic solar power
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6
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The first commercial patent for a solar water heater went to him
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7
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one advantage to solar power
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11
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fusion reactor that provides an incredible amount of energy
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12
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country where solar-wind power hybrid systems are being used
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15
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Swiss scientist that built the first thermal collector
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16
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smallest unit of the photovoltaic system
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