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100 POINTS Complete the sentence: Combustion heating and cooling appliances are sources of and often found in basements. O asbestos O radon gas O tobacco smoke O carbon monoxide
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23 votes
100 POINTS

Complete the sentence: Combustion heating and cooling appliances are sources of
and often found in basements.
O asbestos
O radon gas
O tobacco smoke
O carbon monoxide

User Steve Grafton
by
4.8k points

2 Answers

9 votes

Answer:

carbon monoxide is the awnser

Step-by-step explanation:

When I took this quiz that was the right awnser.

User DDelforge
by
4.3k points
8 votes

Answer:

Carbon monixide

Step-by-step explanation:

Right answer

User Johndir
by
4.1k points
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