Explain the effect of the sewage discharges on the characteristic (quality) of a river.
These are the effect on the characteristics of a river when the sewage is discharged into it:
CBSE asks schools to ensure error-free LOC forms for Classes 10, 12; edit window from October 13
‘You ruined my career’: Students hit back at CBSE over 'abrupt' removal of additional subjects
‘Careers are at stake’: CBSE removes additional subject option for private students without prior notice
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