Weegy: Burning yard trash is least likely to be done by someone who would like to lessen air pollution.
User: Which of the following statements regarding carbon monoxide and radon is true?
A. Both carbon monoxide and radon are colorless and odorless gases.
B. Both carbon monoxide and radon are odorless, but radon is known for its green appearance.
C. Both carbon monoxide and radon are colorless, but carbon monoxide smells like rotten eggs.
D. Both carbon monoxide and radon are odorless, but carbon monoxide smells like rotten eggs.
Weegy: The true statement is: Both carbon monoxide and radon are colorless and odorless gases.
User: All of the following are items in the natural environment except which one?
A. clouds
B. oceans
C. plastics
D. animals
Weegy: All of the following are items in the natural environment except: plastics.
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