Most plants grow best in the 40-80 percent relative _____________ range. This is the amount of moisture that is contained in the air surrounding the plant.

Most plants grow best in the 40-80 percent relative _____________ range. This is the amount of moisture that is contained in the air surrounding the plant.



A. Foot candles

B. Particles

C. Humidity

D. Dew point



Answer: C. Humidity


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