Solar energy has been used economically for many years to _____.?

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that's matter of perspective, cost solar generated electricity 38 cents per kwh while coal generated electricity 0.6 cents per kwh. in situations grid isn't available or government subsidies have reduced cost has been artificially economic. drop economic , both b , d applies economic more opinion questioner, if questioner educator he/she should severely reprimanded being biased.

solar energy has been used economically many years _____.


a.power cars
b.heat homes
c.run nuclear plants
d.generate electricity


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