General Knowledge Ecology and Environment

कार्बनयुक्त पदार्थाची मागणी ________ च्या ऑक्सिडीकरणामुळे होते.

1

अमोनिया

2

सेंद्रिय पदार्थ

3

नायट्रोजन

4

सल्फर

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