Which feature of some species of blue-green algae helps promote them as bio-fertilizers?
- AThey convert atmospheric methane into ammonia which the crop plants can absorb readily
- BThey induce the crop plants to produce the enzymes which help convert atmospheric nitrogen to nitrates
- CThey have the mechanism to convert atmospheric nitrogen into a form that the crop plants can absorb readilyCorrect
- DThey induce the roots of the crop plants to absorb the soil nitrates in larger quantities
Explanation
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