Multiple Choice
Cyanide and nitrates are residual contaminants left over from extracting gold. What was added to the environment to help bacteria remove these so they are not pollutants?
A) Nitrogen
B) Carbon dioxide
C) Ammonia
D) Sucrose
Correct Answer:
Verified
Correct Answer:
Verified
Q19: Which of the sources listed below is
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Q23: Which of the following is not considered
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