given below are the few impurities in urban waste water . select two colloidal impurities : ammonia , foecal matter , silt , bacteria , calcium
Answers
Answered by
3
Baacteria and ammonia
Answered by
3
ammonia and bacteria are two colloidal impurities
Similar questions
Biology,
8 months ago
Math,
8 months ago
Math,
1 year ago
Biology,
1 year ago
Social Sciences,
1 year ago