7. Which of the following is not a problem in indoor [LG.7.4.0 pollution? a) CO

Question

7. Which of the following is not a problem in indoor [LG.7.4.0 pollution? a) CO b) Rn c) VOC d) particulates e) All of the above cause indoor problems Which of the following radiation exposures [LG.7.4.2] Indoor accumulation of radon gas is a know problem. is the most hazardous? a) the radiation of the skin from the radon gas inside the house b) the radiation from water where radon is dissolved c) the radiation of the lung tissue from the inhaled radon in the air d) the radiation from the soil where radon gas is formed 8. 9. Which of the following is not part of the air quality index in the US? LG.7.1.9 a) carbon monoxide b) nitrogen dioxide c) sulfur dioxide d) lead e) all of the above are part of the index 10. Which of the following gases is not one of the top four components of dry air? a) nitrogen b) helium c) carbon dioxide d) oxygen e) all of the above are in the top four 11. Which of the following will have the greatest albedo? LG.8.2.2 a) forests b) smoke c) clouds d) surface waters e) aerosols 12. Which of the following gases in the earth's atmosphere contributes the most to the greenhouse effect? a) oxygen b) nitrogen c) carbon dioxide d) methane e) water [LG.8.3.1 13.A sample of rain was analyzed and found to contain only the following components: 3.8 mmol of NH,. 1.2 mmol of NO, 2.1 mmol of Cr. Considering the balance of charge in the sample calculate the pH for the rain. a) 0.50 b) 0.30 (for extra points)[LG.5.1.5 d) 3.3 e) none of the above A 1c. 2c, 3e. 4e 5a(5c decreases aerosol 6b, 7o, Bc, 9d 10b 11c, 12e, 13er OH- needed to balance the charges, pH-107)

Explanation / Answer

7) e - all of the above cause indoor pollution

8) c - the radiation in the lung tissues from the inhaled radon in the air

9) d - lead

10) b - helium

11) e - aerosols

12) c - Carbon dioxide

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