In previous generations, Americans were more physically fit and obesity was less common. What evidence do we have that contradicts the claim that Americans in the past were actually healthier than they are today?
What will be an ideal response?
People in past generations died at an earlier age than they do today. In addition, many of the diseases that can be diagnosed today could not be diagnosed in previous generations.
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According to conservative analyst Julian Simon, the fact that the planet supports six times as many people as it did when Malthus was alive is cause for
a. gloom. b. laws to limit population. c. celebration. d. a major increase in spending to study environmental issues.
Taken together, the annual revenues of the top 10 global corporations is $2.8 trillion. Only _____ countries in the world have a gross national product that exceeds this amount
a. 100 c. 20 b. 60 d. 4
Which of the following is NOT one of the five functions fulfilled by families worldwide?
A. Procreation B. Economic security C. Recreation D. Sexual activity E. Emotional support
Estimates of the extent of domestic violence are unreliable because
A. most cases go unreported. B. most victims are in shelters. C. most victims are children. D. most cases are not significant.