Read the introduction and first paragraph of an essay about energy sources
(1) The nation's energy use is largely dependent on fossil fuels. (2) These fuels are nonrenewable resources,
our reliance on a fuel that will eventually run out. (4) Thus,
and they cause pollution. (3) We cannot continue we must find other ways to sustain our energy demands. (5) Pursuing alternative fuel sources is
the key to
solving our energy crisis.
(6)
Through different technologies, such as solar cells, scientists have learned
to use the sun's radiation to
create electricity. (7) 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. (8) Solar energy is both
inexhaustible and clean. (9) The major limit to this alternative
source is that iS equipment is expensive. (10)
Developing a cost-effective way to harness the power of the sun
will be a significant development in solving
our energy crisis.
Which sentence references a counterclaim against the use of solar energy?