19.when human population growth exceeds food availability a). emigration increas

Question

19.when human population growth exceeds food availability a). emigration increases. e). marginal lands are converted from natural ecosystems to agricultural production d). A and C e). All of the above 20. population profiles a). are a graphical depiction of the age, sex, and number of individuals in a population b). include the age structure of the population. c). can only be applied to developed countries. d). can only be applied to developing countries. e). A and B 21. When widespread food shortages occur in rural areas, common human response is to a). migrate to cities. b). poach wildlife to supplement food stocks. c). shift subststence farming from food production to illegal drug production d).emigrate to new countries. e). all of the above. 22. The effects of poverty and food shortages are felt most by a). adults males b). women. c). children. d). B and C e). none of the above. 23. The governments of many developing countries pass laws to encourage the conversion of natural ecosystems to ones of agricultural production. Which of the following are also true? a). Such legislation is most common to developing countries. b). Similar laws were practiced in the U.S. to encourage westward expansion of the frontier. c). Similar conversions occur in developed nations by opening public lands to the timber, mining, and oil industries d). all of the above. e). none of the above. 24. Factors that contribute to lowering fertility include a) increasine the literacy of the mother

Explanation / Answer

19) e

20)e

21)a

22)d

23) b. Buts not common in developing countries because of sustainable development

24)e

25)e

26) b

27) e

28) b

29)c

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