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Pramila Pramila
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6 years ago
The long-term health effects of indoor air pollution ________.
A) are considered to be a minor hazard compared to outdoor air pollution
B) are not well understood; studies are underway
C) have only a few causes, which can easily be remedied
D) are primarily caused by CFCs
E) include an increase in skin cancer in Canada
Textbook 
Environment: The Science Behind the Stories, Canadian Edition

Environment: The Science Behind the Stories, Canadian Edition


Edition: 3rd
Authors:
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6 years ago
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