Which materials are hard to remove from the polluted water? HomeWater Pollution MCQsWhich materials are hard to remove from the polluted water?water pollution mcqsQ. Which materials are hard to remove from the polluted water?SandPlasticSolidsDissolved saltsAnswer: Dissolved salts
The central pollution control board and the department of ocean and environment has established __________ stations over the entire coastal line of the country
