AP Environmental Scienceeasymcq1 pt
Formaldehyde and VOCs in indoor air come mainly from
A.off-gassing from furniture, paints, and building materials
B.soil gases
C.volcanic eruptions
D.power plant stacks
Explanation
Core Concept
Pressed wood, adhesives, paints, and cleaners slowly release organic vapors — the 'new building smell' that irritates eyes and airways.
Correct Answer
Aoff-gassing from furniture, paints, and building materials
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