Question

Which of these buildings is most likely to have indoor air pollution?
A-a school with leaks that allow water and heat to be wasted
B-an office building without a carbon monoxide detector
C-a tightly sealed house with an unvented water heater

Answer 1

If you had an unvented natural gas water heater you could run the risk of falling victim to carbon monoxide poisoning.

Answer 2

C.

Answer 3

c

Answer 4

C

Answer 5

A tightly sealed house with an unvented water heater is the correct answer

Answer 6

@charlie7770
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Answer 7

definitely c