Where can water pollution occur?
A Lakes
B Rivers
C Groundwater
D All of the above

I believe the answer is D all of the above. I hope this helps.

import math

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

print (math.sqrt(math.fabs(

answer:

the army does care about its soilders sir i think yout getting off on the wrong foot sir you need to respect our country were keeping the peole that want to d harm towards you out. so dont go saying we don't care cause we do