Heavywater reactors d none of the above low dose

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Unformatted text preview: he above What slows down the neutrons that produce fission so that they are traveling at the right speed? a. fuel rods b. moderator c. control rods d. incubator Most nuclear reactors in the U.S. are a. pressurized ­water reactor b. boiling ­water reactor c. heavy ­water reactors d. none of the above Low dose radiation exposure a. may damage DNA b. could be unseen for decades c. could cause leukemia d. all of the above The time for half the amount of the radioactive isotope to decay is known as: a. critical mark b. half ­life c. tipping point d. none of the above The worst facilities for handling radioactivity have occurred a. on military facilities b. at sea c. on college campuses d. none of the above The U.S. plans to store high ­level nuclear waste at: a. Savannah River, South Carolina b. Hanford, Washington c. Yucca Mountain, Nevada d. all of the above How many people died directly from the Chernobyl accident a. 30 b. 3000 c. 30,000 d. none of the above What are some problems with nuclear power a. expensive to build and decommission b. high rates of corrosion in older plants led to shorter service life of plant C. potential target of terrorists D. all of the above ANSWERS 1. C 2. D 3. B 4. C 5. A 6. A 7. C 8. B 9. A 10. D 11. B 12. A 13. C 14. A 15. D...
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