Multiple Choice
With regard to carbon monoxide (CO) ,which of the following is false ?
A) anthropogenic CO is principally produced by automobiles.
B) natural CO is produced by decaying organic debris,forest fires,or organic matter decomposition.
C) few effects of CO on humans have been identified.
D) it is a colourless,odorless and tasteless gas.
E) it is a naturally occurring gas.
Correct Answer:
Verified
Correct Answer:
Verified
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