Unit 4 Homework

12345678910111213141516171819
Across
  1. 5. energy from the sun
  2. 6. rising ocean temperatures and acidification cause this to happen to coral
  3. 7. water that includes rivers and lakes
  4. 10. this type of aquifer is under a great deal of pressure
  5. 11. energy is generated from the heat beneath the ground
  6. 14. mostly coal, oil, and natural gas
  7. 15. energy that can be replenished; windmills, solar power
  8. 16. the surface layer of the ocean water
  9. 18. a system of pipes, ditches, canals, etc. that transport water from a source to a distribution point
  10. 19. rain and melted snow cause this
Down
  1. 1. this is a type of renewable energy that includes wood, animal manure, and vegetable waste
  2. 2. a type of freshwater wetland that allows plants to grow above the ground
  3. 3. a type of freshwater wetland that occurs in forests
  4. 4. a collection of trees and shrubs that live in saltwater
  5. 8. this is a vertical movement of water in which cold, deep seawater rises to the surface
  6. 9. the deepest zone of the oceans
  7. 12. causes not only a reduced population of some types of fish, can also be detrimental to other marine organisms
  8. 13. energy from moving water
  9. 17. porous, spongelike formation contains groundwater