Question 38 in the us cities with growing populations

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Question 38 In the U.S., cities with growing populations have expanded in land area since 1950, but northern cities that have shrinking populations have decreased in land surface area. 3 out of 3 points
Question 39 Which of the following is NOT true about photochemical smogs? 3 out of 3 points
Question 40 Which room in your house is most likely to have mold, an indoor air pollutant that can trigger asthma attacks and allergic reactions? 3 out of 3 points
Question 41 The gas found in the highest proportion in the atmosphere is _______. Response Feedback: 3 out of 3 points
Question 42 Coal-burning industries emit soot and sulfurous compounds that can lead to acid rain. 3 out of 3 points
Question 43 Atmospheric (air) pollutants impact the respiratory system (lungs, bronchii) of animals more than other systems in the body. 3 out of 3 points
10/7/2016 Review Test Submission: Exam 4 – 2016FallA-X-BIO130-... Response Feedback: Right, it's the respiratory system (lungs, bronchii, and more ). Question 44 The World Health Organization estimates that ______ people (mostly in developing nations) die from unhealthy indoor air conditions every year.
... 9/10
Question 45 Lead exposure can cause ______ in children.
Question 46 Acid rain does not impact the chemistry of surface waters because they are ALL buffered by dissolved minerals.
Question 47 Poor indoor air quality due to burning of unvented heating and cooking fires is dangerous for children under 5, and accounts for more than half of the cases of _________, a common disease in children of this age.

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