Question
Question: The given figure shows hydrophonic / soil less plant production. Plants are grown in a tube or throu...
The given figure shows hydrophonic / soil less plant production. Plants are grown in a tube or through placed on a slight incline. The arrows indicate the direction of flow of nutrient solution. Nutrient solution is sent to the elevated end of the tube from the reservoir by ___ and it flows back into reservoir due to ___

A
Gravity, pump
B
Gravity, Gravity
C
Pump, pump
D
Pump, Gravity
Answer
Pump, Gravity