A) B is more polluted than A
B) A is suitable for drinking, whereas B is not
C) Both A and B are suitable for drinking
D) A is more polluted than B.
Correct Answer: A
Solution :
Dirnkable water would has BOD value of less than 5ppm where as highly polluted water could have a BOD valve of 17 ppM or more so B is more polluted than A.You need to login to perform this action.
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