Everyday Science MCQs
Q The main product of bacterial action is_________________?
  • A A. Nox
  • B B. No2
  • C C. N2o3
  • D D. No
Previous The percentage of suspended solid waste in raw water is…
Next Pollutants have adverse effect over_________________?
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January
a preference or special liking for something; a bias in favour of something.
2021:00:00

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