Multiple Choice
Arsenic is released into drinking water
A) when a well is drilled into rock naturally rich in arsenic
B) when mining or ore processing occurs that drains into a water supply
C) when coal processing results in arsenic run-off into nearby streams
D) all of these answers
E) when a well is drilled into rock naturally rich in arsenic and when mining or ore processing occurs that drains into a water supply
Correct Answer:

Verified
Correct Answer:
Verified
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