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(1)
The nation's energy use is
largely dependent on fossil fuels. (2)
These fuels are nonrenewable resources,
and
they cause pollution. (3) We cannot continue our reliance on
a fuel that will eventually run out. (4) Thus, we
must find other ways to sustain
our energy demands. (5) Pursuing alternative fuel
sources is the key to solving
our energy crisis.
(6) Currently, about 1 percent of energy in the United States is produced by
the sun, and solar energy has the
potential to become a more widely used energy source. (7) Through
different technologies, such as solar cells,
scientists have learned
to use the sun's radiation to create electricity. (8)
Solar energy is both inexhaustible and
clean. (9) The major limit to this
alternative source is that equipment is expensive. (10) Developing a cost-
will be a significant development in solving our energy crisis.
effective way to harness the power of the sun
Which sentence is
the author's thesis
statement?
O sentence 1
O sentence 2
O sentence 5
sentence 6
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