Exercise 2.1A.docx - Exercise 2.1A 1 Americans are materialistic because they are exposed to more advertising than any other people on earth Your answer

Exercise 2.1A.docx - Exercise 2.1A 1 Americans are...

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Exercise 2.1A 1. Americans are materialistic because they are exposed to more advertising than any other people on earth. Your answer of ``nonargument (explanation)'' is correct! 2. A person is dead if her brain has stopped functioning. Your answer of ``nonargument (conditional statement)'' is correct! 3. The world fish catch dropped from its 1989 high of 100 million tons to 97 million tons in 1990 and has remained at about that figure ever since. Harvests have increased in some oceans but have fallen in others. And rising catches of some species are offset by falling catches of others. Breaking with a historical trend of constantly growing catches, stagnation in the global catch now appears likely to continue . . . . --Hal Kane, "Fish Catch No Longer Growing," in Lester Brown, Hal Kane, and Ed Ayres, Vital Signs 1993: The Trends That Are Shaping Our Future (New York: W.W. Norton, 1993), p. 32. Your answer of ``nonargument (report)'' is correct! 4. Waging war is always wrong because it involves killing human beings. And killing humans is wrong. Your answer of ``argument'' is correct! 5. When we calculate what the surface temperature of the planet should be, based on the heat it radiates to space, we find the whole globe should be a frozen wasteland, colder than today by about 33 degrees Celsius (60 degrees Fahrenheit) on average. The force saving us from this frigid fate is the atmosphere. The layer of air surrounding our globe contains important gases such as water vapor and carbon dioxide, which absorb the heat radiated by Earth's surface and reemit their own heat at much lower temperatures. We say they "trap" Earth's
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