C they want to keep the air cleaner so they will make it more efficient.
C. Quito, Ecuador since it’s on the Equator
There are 50 states of the US
The statement “About one-half of
the land area in the United States is made up of mountains.” Is false. United
States is composed of equal parts of land and water. The land consists of
mountains and coastal plains with grasslands and forests. Although it contains
so many mountains, it does not reach half of its land area.
