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HFCs are potent greenhouse gases.
Social Impact of TechnologySO245Online Exam 5 AnswersRed = Wrong Answers14.)Demographers are beginning to add a Stage 5 to the classic four-stage transition theory. Namely, when birth rates fall below replacement and death rates exceed birth rates, a country can be said to have entered stage 5. As mentioned in your reading, all of these countries are now considered to be at stage 5 EXCEPT:Argentina.15.)Discussing causes of desertification in semi-arid locales, Allen maintains that overcultivation of soils depletes them of vital nutrients. Audrey argues that stripping away vegetation through overgrazing leads to soil erosion and deforestation. Who is correct?16.)Disruption of the __________ cycle will lead to unpredictable impacts on human well-being because of this cycle’s vital role in regulating global climate patterns.carbon17.)Ecologists who study the way many species interact with each other in a specified area are focused on:communities.18.)Ehrlich’s dire projections differed from those of Malthus in that he applied the principle of geometric progression to:vital resources such as oil, copper, and top soils.19.)Extinctions are not rare. Over an extended period of time, based for example on fossil evidence, a certain number of species will become extinct each year. Thus, experts can estimate a background rate of species extinction. Using that estimate, researchers can compare it to the current extinction rate over, for example, the last two decades. What they have found is startling. According to cautious estimates, the current extinction rate is __________ times greater than the background rate.10020.)Females tend to live longer than males. According to your reading, the discrepancy seems to be related to all of the following EXCEPT:there are health risks associated with having an XY as opposed to having an XX sex chromosome.21.)From the perspective of Marx and Engels, the political and economic theories of Adam Smith, John Locke, and others are mainly a/an __________ of the capitalist system.rationalization22.)In a growing population, the rate of natural increase equals the birth rate minus the death rate inaddition to net:migration.23.)In developed countries, if we find a fertility rate of 2.1 live births per 1000 births per year, we arewitnessing __________ fertility.replacement24.)In the 13th and 14th centuries, Europe’s population was decimated by:the Plague.