To receive 3 log removal of Cryptosporidium, 7200 mg/L∙min of the CT level must be applied if chlorination is used as a definition. A plant operator initially applied 50 mg/L of free chlorine and maintained a contact time of 50 min. Then, he was ordered to increase the dose to 1500 mg/L, how much of the additional contact time is needed to reach the log removal goal?

answer:

i lost in getting someone back.

i learned that people are really two-faced and no matter how angelic someone appears they always have a devil side and that you cant trust anyone anymore no matter how dear they are to you.

if your wondering who it waz it waz mah still miss her tho

~batmans wife dun dun

import math

x=int(input("enter a number: "))

print (math.sqrt(math.fabs(

answer:

D is the anseer

Explanation: