What is the MAIN IDEA of this passage?
y" because it
A)
how to create alternative energy sources
B) how people design and develop wind farms
C) how wind energy can be useful and helpful
to keep our
rld is global
- Global warming
people use fossil
fuels give us
ey cannot be
have used them,
on the other hand,
dup.
how to stop using fossil fuels that pollute the
earth
9) What assertion is made in this essay?!