Wednesday review

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Across
  1. 2. every dimension is the same
  2. 4. a community of living and non-living things in their natural environment
  3. 5. a system of measurement that uses powers of 10
  4. 9. eats dead organisms
  5. 12. non-living
  6. 13. equal
  7. 14. two pairs of parallel sides
  8. 16. area of the base times height
  9. 17. to move around something in an orbit
  10. 20. eats others
  11. 25. 4 sided polygon
  12. 27. two sides equal (triangle)
  13. 28. quadrilateral with only one pair of parallel sides
  14. 29. all sides equal (triangle)
Down
  1. 1. metric unit for mass
  2. 3. living
  3. 6. when elements within an ecosystem depend on each other to survive
  4. 7. around the edge or border
  5. 8. metric unit for capacity and volume
  6. 10. process by which plants make their own food
  7. 11. measured with square units
  8. 15. a combination of things which maintain their physical properties and can be easily separated
  9. 18. no sides equal (triangle)
  10. 19. a mixture in which things have dissolved and can't be easily separated
  11. 21. how much matter something contains
  12. 22. how much something can hold
  13. 23. uses the sun to make energy for the ecosystem
  14. 24. metric unit for length and distance
  15. 26. to spin on an axis