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9.National Parks are: A.An invention of the Romans, to overcome the “tragedy of the commons” that caused them to invade the food-service buildings of the neighboring Greeks. B.An invention of the United States that has spread around much of the world, as a way of protecting some of the finest parts of the world. C.A U.S. government program to provide roller-coaster rides for disadvantaged grandparents. D.An invention of the United States, which has been routinely ignored by the rest of the world because they really don’t like us. E.An invention of Greenlandic people, who set aside the northeastern part of the island as the
world’s first national park. Yellowstone was the first National Park, but now you can find National Parks scattered across the planet, preserving key areas for the enjoyment of this generation and for future generations. Correct Answer:B Your Response:B Points Earned:1/1 10.You find two neutral atoms. Each has 8 protons in its nucleus, but one has 7 neutrons, and the other has 8 neutrons. It is correct to state that: Points Earned:1/1 11.You get some stuff, and start taking it apart. But, you are restricted to the use of “ordinary” means (fire, sunlight, your digestive system) and you cannot use atom smashers or atom bombs. What is the smallest piece that you are likely to be able to produce: Points Earned: