Evaluate HS-4 Quiz April 20, 2015 By Please sign up for the course before taking this quiz. 1. Coal and gas-fired power plants emit more than 2.3 billion metric tons per year of carbon pollution, approximately 40 percent of total U.S. energy-related carbon pollution.1 True False 2. Sea ice, ice sheets, ice shelves, and icebergs are synonyms to describe what we see in the Arctic.1 True False 3. Arctic sea ice melt only impacts those who live in Arctic regions1 True False 4. Coal is formed from the decomposition of inorganic materials that have been subjected to geologic heat and pressure over hundreds of years and is considered to be a renewable resources because it can be replenished in our lifetime.1 True False 5. Albedo has to do with the rate at which carbon dioxide is put into the atmosphere.1 True False 6. The deep blue of the Arctic oceans reflect the sun’s solar rays, while the bright white of the Arctic sea ice absorbs the sun’s solar radiation.1 True False 7. In the United States, more than 40 percent of people live in areas with unhealthy levels of air pollution.1 True False 8. There is no way to know what carbon in our atmosphere is natural or human caused.1 True False 9. The total water used for coal mining in the United States rages from 70 million to 260 million gallons a day.1 True False 10. Soot and ash reflect the sun’s radiation.1 True False Elaborate HS-4 Taking Action and Designing Solutions HS-4 Back to: Evaluate HS-4