6. How could the water purification system that scientists use on the International
Space Station mostbenefit people on Earth?
A. It could be sold by NASA to make money.
B. It could provide water during periods of drought.
C. It could be used to help detect polluted rivers on the planet.
D. It could provide clean drinking water in areas with polluted water.
Answers: 3
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6. How could the water purification system that scientists use on the International
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