What percentage of the world's sickness is caused by water-borne diseases?
A) 0.041%
B) 4.7%
C) 26%
D) 80%
E) 98%
Correct Answer:
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Q64: Which of these is a result of
Q65: Which of these is/are not a source
Q66: Water softeners are used to avoid the
Q67: Which of these elements is/are the primary
Q68: Which of these is/are an inorganic contaminant?
A)
Q70: In the process of water treatment, _
Q71: Which of these types of water contamination
Q72: _ is a naturally occurring process in
Q73: Which of these is not a disadvantage
Q74: _ is an example of a volatile
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