Which of these is a result of dumping human waste near or directly into ground or surface waters?
A) hard water
B) soft water
C) biological contaminants
D) chemical contaminants
E) both C and D
Correct Answer:
Verified
Q52: Which of these is not a unit
Q57: What is the concentration of a solution
Q58: Which of these is not a method
Q59: A part per million is roughly equivalent
Q60: 1.00 ppm is equivalent to:
A)1.00 %
B)0.100 %
C)0.0100
Q62: Which of these is an organic contaminant?
A)lead
B)mercury
C)asbestos
D)nitrates
E)gasoline
Q64: Which of these water treatment systems removes
Q65: Which of these is not a source
Q66: Which of these types of water contamination
Q69: What percentage of the world's sickness is
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