Biology, asked by vgiri424, 1 year ago

2. कवकमूल में कवक का क्या योगदान होता है?
3. स्वच्छ पेयजल का BOD कितना होना चाहिए?

Answers

Answered by mauryavivek952

0

Answer:

3-5 ppm BOD of drinking water

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