भूमिगत जल को दूषित करने वा� – McqOptions

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1.	भूमिगत जल को दूषित करने वाले अजैविक प्रदूषक है -
A.	बैक्टीरिया
B.	शैवाल
C.	आर्सेनिक
D.	विषाणु
Answer» D. विषाणु

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