Which of the following methods related to fly ash utilization has future ecofriendly and economic benefits ?

(I) Direct application to cropland

(II) Converting to Bricks

(III) Using as a road-sub-base material

A (I) and (II) only

B (II) and (III) only

C (I) and (III) only

D (I), (II) and (III

Answer & Explanation
Answer:(II) and (III) only

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Environmental Studies Short Question | Gkseries