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Power Test
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1
of
3
33%
Comments
This field is for validation purposes and should be left unchanged.
What is one of the main challenges with renewable energy sources?
(Required)
They are always available
They are weather-dependent
They are cost-effective
They require no maintenance
Which renewable energy source is dependent on sunlight?
(Required)
Wind power
Hydro power
Solar power
Geothermal power
Which renewable energy source utilizes the Earth's internal heat?
(Required)
Solar power
Wind power
Geothermal power
Hydro power
