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Assessment
What is the primary source of energy in solar power systems?
The sun
Wind
Geothermal heat
Water
Which of the following is a benefit of using wind energy?
It produces greenhouse gas emissions
It is renewable and sustainable
It requires fossil fuels to operate
It generates electricity only at night
What technology is typically used to convert wave energy into electrical power?
Photovoltaic cells
Wave energy converters (WECs)
Geothermal heat pumps
Hydroelectric turbines
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