Photovoltaic solar cells are:
a) all of the above
b) cheap to produce, but contr...
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Photovoltaic solar cells are:
a) all of the above
b) cheap to produce, but contribute to atmospheric pollution, including CO2
c) wafers of crystalline silicon treated with metals that absorb solar radiation and generate electricity
d) single-celled organisms that are used to collect solar radiation, which they turn into heat.
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