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Question
Bacteria and fungal spores are ________.A) contributors to indoor pollutants
B) VOCs and POPs
C) sources of radon in the home
D) problems in degrading the ozone layer
E) the cause of high pesticide use in the home
Answer
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A) wind erosion; water erosion
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B) decreasing and sustainable
C) steady state and sustainable
D) from unsustainable to sustainable
E) rapidly increasing, moving from unsustainable to sustainable