The reason that the chemical/synthetic fertilizers should be replaced by biofertilizers…
Biology · Class 12 · CBSE — Microbes in Human Welfare
The reason that the chemical/synthetic fertilizers should be replaced by biofertilizers is that the former
- are source of environmental pollution
- are expensive
- exhaust the valuable energy resources for their manufacture
- all of these.
Answer
(D) all of these.
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