10. The United States produces more than two
billion barrels of petroleum a year, yet it
still depends on petroleum imports. Why?
A)The United States exports most of its
petroleum.
B)U. S. production is small when compared
with many other nations.
C)American petroleum is not useful in gasoline.
D)Americans use more petroleum than
they produce.

You're doing research for a public essay on alternative medicine. which of the following sources has the most reliable information? a.a post on a social networking site about the undesired side-effects of different alternative medicinesb.a recent government report comparing the results of alternative and contemporary medicine for a specified diseasec.an anonymous article on a medical website that claims the success of alternative medicined.a 2003 study conducted by a medical research center about the effects of alternative medicine