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Assessment
What is the primary source of energy for solar power systems?
The sun
Wind
Hydro
Geothermal
Which of the following is a disadvantage of wind energy?
It produces carbon emissions
It can be affected by weather variability
It is non-renewable
It requires fossil fuels
Which renewable energy source uses turbines to convert kinetic energy into electricity?
Solar
Wind
Biomass
Geothermal
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