Plants could serve several functions on space vehicles. One obvious use is to provide
fresh fo...
Plants could serve several functions on space vehicles. One obvious use is to provide
fresh food. Fresh fruits and vegetables are a welcome change from prepackaged,
freeze-dried foods. Also, plants could help to recycle wastes. They can take up carbon
dioxide released by humans and release oxygen back into the air. Finally, plants could
provide a psychological benefit by creating a pleasant natural space within the high-
technology environment.
Choose (a or b)
a. Addition
b. Time
Answers: 2
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