As the population of the world keeps on grow,
1.________
it gets more and more difficult feed everyone.
2.________
The United States is one of the lucky country because it
3.________
grows enough food for itself and still has enough to
4.________
export to another parts of the world. One reason for
5.________
this is why the United States is a large country with
6.________
different kind of climate. Most of the central part
7.________
of the country is especial fit for raising grain. Wheat
8.________
and corn are most important crops in this district. The
9.________
USA exports millions of tons of grain in every year.
10.________