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Assessment
What is the primary source of energy for solar power systems?
The sun
Wind
Geothermal heat
Natural gas
Which technology is used to convert sunlight into electricity?
Solar thermal panels
Photovoltaic cells
Wind turbines
Hydroelectric generators
What is a benefit of using solar energy?
It produces greenhouse gases.
It's renewable and sustainable.
It requires a lot of fossil fuels.
It only works on sunny days.
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