Answer:
hydrologic cycle
Explanation:
Water cycle. Water cycle, also called hydrologic cycle, cycle that involves the continuous circulation of water in the Earth-atmosphere system. Of the many processes involved in the water cycle, the most important are evaporation, transpiration, condensation, precipitation, and runoff.
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He had a bacterial infection, but then developed an allergy to the antibiotic.
I believe it is a Pure Substance
False
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