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The powerful new bloc of nations that is emerging onto the world economic stage includes _____.
A: New Zealand, Australia, Singapore, Indonesia, and Pakistan
B: Brazil, Russia, India, China, and South Africa
C: Belgium, Rwanda, Israel, Cuba, and South Korea
D: Brazil, Russia, India, Canada, and Korea




23. Recently, researchers uncovered the molecular structure of a key protein that retroviruses use to multiply. This was a significant step toward _____.

producing lifelike artificial limbs
stopping the spread of the HIV/AIDS virus
providing healthcare for all people
using biotechnology to vaccinate children




24. What percent of gasoline consists of ethanol that is made from corn?

25 percent
20 percent
10 percent
5 percent




25. Which is not a goal of the U.S. in Afghanistan?

build a democratic government
restore the Taliban to leadership
protect women’s rights
strengthen the economy




Answer :

Greenleafable
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.

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