Answer in detail I — task. Science State Board, Class 9.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Enumerate the advantage of hydroponics.

a. The method of growing plants without soil using mineral nutrient solutions in water is known as .

b. Using hydroponics method, water and nutrients can be conserved .

c. Plant growth cannot be controlled using hydroponics technology .

d. Hydroponics is an excellent alternative method in places like deserts and arctic regions .

e. In places like deserts and arctic regions, hydroponics is not an excellent alternative method .

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20. Answer in detail I