वह पोषक चक्र जो सूर्य के प्� – McqOptions

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1.	वह पोषक चक्र जो सूर्य के प्रकाश से सीधे संचालित होता है -
A.	कार्बन चक्र
B.	नाइट्रोजन चक्र
C.	सल्फर चक्र
D.	फास्फोरस चक्र
Answer» B. नाइट्रोजन चक्र

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