Social Impact Online Exam 5 Answers - Social Impact of...

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Social Impact of TechnologySO245Online Exam 5 AnswersRed = Wrong Answers1.)__________ experts maintain that there is still time to address environmental problems and change our course toward a sustainable future.
2.)__________ is both our planet’s thermostat and the world’s chief greenhouse gas.
3.)According to your reading, factors bearing on population dynamics that may be at the root of social problems include all of the following EXCEPT:
4.)According to the EPA, the second most significant factor in human-caused global warming and climate change is:
5.)All of the following have been linked to damage caused by UVB radiation EXCEPT:
6.)An age pyramid provides historical information about a population. That information includes all of the following EXCEPT:
7.)Among the types of desert biomes, where would you find a cold desert?
8.)As a demographer, within a specific population I compare the number of economically productive people between the ages of 15 and 64 with the number of people younger than 15 and older than 64 who, in general, rely on the productive people for sustenance. The measure I’m calculating is normally referred to as the:
9.)As a demographer, you’ll know that the __________ death rate equals the total deaths per year divided by the midyear population, which is normally expressed as the number of deaths per 1,000 people per year.
10.)As demonstrated by the Keeling curve, carbon dioxide concentration in the atmosphere was expected to reach __________ ppm by 2010. But, in fact, carbon concentration exceeded that level in 2013 and is still rising.
11.)As the Arctic permafrost melts, the proportion of __________ to all the other greenhouse gases is rising. That’s significant since, among all greenhouse gases, that gas is eight times more potentthan carbon dioxide.
12.)Biological demographers have determined that, under ideal conditions, life span can average __________ years.
13.)Chlorofluorocarbons (CFCs), the main culprit in the depletion of atmospheric ozone, are being replaced with hydrofluorocarbons (HFCs), thus greatly reducing ozone layer depletion. What is the only drawback to this strategy?

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