the answer of the first question is the choice B.
The powerful new blox of nations that is emerging onto the world economic stage includes Brazil, Russia, India and China. For the second answer, this was a significant step toward biotechnology to vaccinate children.So the answer is the choice D. Frequently, the percent of ethanol in gasoline is about 10%, so the answer is the choice C:10%. For the last question, obviously, to restore the Thaliban to leadership.