Unit 5 Vocabulary

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Across
  1. 2. chemicals that kill insects and weeds
  2. 4. the growth an expansion of cities as more people move from rural areas to urban centers
  3. 5. a new method where crops grow in stacked layers indoors, saving space and water
  4. 9. a forestry practice that removes all trees from an area, leading to soil erosion and habitat loss
  5. 10. Using less energy to do the same work
  6. 12. a period in the mid-20th century when new farming technologies and methods greatly increased food production worldwide
  7. 13. planting different crops in a sequence to keep soil healthy and reduce pests
  8. 15. when people use more resources than they need
Down
  1. 1. factors that drive people away and factors that attract people
  2. 3. meeting our needs today without harming the ability of future generations to meet theirs
  3. 6. an area that absorbs carbon dioxide from the air and helps fight climate change
  4. 7. the basic systems that keep everything running - roads, bridges, water pipes, and power lines
  5. 8. rules that tell us what types of buildings and activities can happen in different parts of a city
  6. 11. the process of planting new trees where forests have been lost
  7. 14. plants or animals whose DNA has been altered to improve traits like pest resistance or yield