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4. | Name the technique which involves the growth of a plant by suspending their roots in the air? | |
A. | Diffusion | |
B. | Osmosis | |
C. | Hydroponics | |
D. | Aeroponics | |
Answer: Option D | |
Explanation: | |
Aeropinics is a technique in which the roots of a plant are suspended in the air and being sprayed with a nutrient solution. |
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