9.1, 9.2, 9.3, 9.4

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Across
  1. 3. new kind of economy that creates, distributes, and uses knowledge and information
  2. 6. a revolution that brought possible long-term response to hunger, where scientists developed new varieties or wheat, rice, and other grains that had higher yields and greater resistance to pests, diseases, and drought
  3. 9. the manipulating of a cell or organism to change its basic characteristics
  4. 10. breeding two varieties of a plant to create a hybrid
  5. 12. can stop HIV from weakening the immune system, allowing patients with HIV to live with HIV for many years
  6. 13. one of the first major discoveries against heart disease, first performed by Christiaan Barnard
  7. 14. an increase in the average temperature of the world
  8. 16. a corporation that is legally incorporated in one country but makes or sell goods or services in one or more other countries
  9. 18. epidemic diseases that spread across national borders
  10. 19. brought news, music, and cultural events to a wide range of people
  11. 23. source of energy including coal,oil, petroleum, and natural gas
  12. 24. taxes on foreign imports; by lowering these, international trade and economic prosperity was promoted
  13. 25. large stanard-sized units that could be carried on a truck or train or stacked on ship, which promoted the widespread movement of people and goods
  14. 26. a disease caused by water contaminated by a virus transmitted in fecal matter, and can result in paralysis or sometimes death
  15. 27. economic systems based on supply and demand, with a little government control as possible, wanted by Ronald Reagan and Margaret Thatcher
  16. 28. also known as WTO, made rules that governed more that 90 percent of international trade, but became controversial because of how much power it held
Down
  1. 1. energy derived from resources that are continuously replenished, such as wind, solar, tidal, and geothermal power
  2. 2. a disease that typically doesn't develop until later in life, arose following better healthcare which led to longer lifespans, associated with lifestyle, genetics, and increased longevity
  3. 4. a groundbreaking medical advance that led to declining fertility rates and helped reshape gender roles
  4. 5. also known as HIV, it weakens the immune system so that people more easily succumb to other illnesses
  5. 7. a bacterial disease that spreads through contaminated water and affects mainly poor people in developing countries
  6. 8. gases that build up in the atmosphere and let the heat of the sun heat Earth but trap it from escaping Earth, such as carbon dioxide
  7. 11. form of dementia that mostly affects elderly and some middle-aged people, that causes patients with the disease to progressively lose their memory, eventually coming to a stage where they cannot even recognize their close loved ones
  8. 15. disease that plagued the ancient Egyptians and devastated the native population of the Americas and Australia
  9. 17. movement to protect wilderness areas from urban growth, and has planted over 51 million trees in Kenya
  10. 20. removal of natural vegetation cover through expansion and intensive use of agricultural lands in arid and semi-arid lands
  11. 21. deadly disease caused by a virus that infects the African fruit bat, humans, and other primates, and is transmitted through exposure to fluids of infected people or animals
  12. 22. loss of Earth's trees as a result of human activity of cutting down trees in order to create more open land for agriculture