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Babita • 7.55K Points
Tutor III Science
193

Q. सभी जैव यौगिकों का अनिवार्य मूल तत्त्व है 

(A) नाइट्रोजन
(B) ऑक्सीजन
(C) कार्बन
(D) गन्धक
Correct Answer - Option (C)

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