alleryFrankfurt Airport uses its harvested rainwater mainly for what?
AToilet flushing and plants
BDrinking by passengers
CCooking in restaurants
DFilling aircraft fuel tanks
Answer & Solution
Correct answer: A. Toilet flushing and plants
1. The airport collects water from its terminal roofs.
2. It is mainly used for toilet flushing, watering plants and cleaning the air conditioning system.
3. It is not used for drinking, cooking or fuel.
_Source: Wikipedia, Rainwater harvesting, Industry_
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