Answers

2015-10-09T18:18:24+05:30
The answer is (c) make sedimentation process quick; alumalum get attached with the impurities in water and particles settle down at bottom.
0
  • Brainly User
2015-10-09T18:21:59+05:30
ANSWER IS (C) MAKE THE SEDIMSITATION PROCESS QUICK....
0