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Which of the following present can be degraded by aerobic and anaerobic processes?

(a) Hydrocarbons

(b) Calcium

(c) Magnesium

(d) Nitrogen

I had been asked this question in an online interview.

This is a very interesting question from Dose in division Environmental Impact of Pollutants and Analysis of Dose – Effect Relationship of Environmental Biotechnology

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Correct option is (a) Hydrocarbons

The best explanation: The hydrocarbons that are present in xenobiotic or organic compounds are stable and reduced hence, can be degraded by aerobic and anaerobic processes. Whereas, Calcium, Magnesium, Nitrogen is not related be degradation of xenobiotic in the process.

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