Answer & ExplanationOption: Both A & BExplanation:
Gujarat ranks fourth among the top five States with highly polluted rivers, with as many as 20 rivers in the critically polluted category. According to data from the Ministry of Environment and Forest (MoEF), the Sabarmati is among the most polluted rivers in the country. As per the official parameters, if the chemical oxygen demand (COD), which indicates organic pollutant load, is higher than 250 mg per litre, then it should not be released into the rivers.
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