Social Studies B

12345678910111213141516171819202122232425
Across
  1. 3. the state of having too many people living in a certain area
  2. 5. the area that is not quite a desert, but also very dry and not suitable for much plant and animal life
  3. 6. a nutrient-rich layer of dirt
  4. 8. most; a great number
  5. 10. very harmful; poisonous
  6. 12. relating to public health and cleanliness
  7. 13. the process of damaging the top layer of soil, leading to the land becoming more desert-like
  8. 14. when animals eat the grass or plant-life in a field
  9. 15. the way something is shared among a group, or spread through an area
  10. 18. extreme scarcity (lack of) food
  11. 19. the state of being extremely poor
  12. 21. the activity of buying or selling, especially on a large scale
  13. 23. an organism that lives on or in another species, and benefits from taking nutrients from the other species
  14. 24. a city
  15. 25. adding something to the environment that is harmful or damaging
Down
  1. 1. long periods of very little rainfall
  2. 2. slowly; happening over time
  3. 4. the death of an entire species
  4. 7. to give something that will be helpful
  5. 9. important
  6. 11. unable to produce crops; lifeless
  7. 12. suffering or death caused by hunger/lack of food
  8. 16. to eat or drink something; to take something into the body
  9. 17. farm animals that are used to sell or trade
  10. 20. the act of making something less clean or the act of polluting
  11. 22. to destroy or ruin