Group 4

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Across
  1. 4. a flat shape that has three angles with the some of different lengths of sizes
  2. 7. a large open area of grassland, especially in the Mississippi River valley
  3. 8. synonym of superior
  4. 10. keep in good order or condition
  5. 11. display
  6. 13. something that is very expensive
  7. 14. the high and low a tone in a sentence
  8. 15. cube, square, triangle
  9. 17. choices
Down
  1. 1. traditional transportation in java
  2. 2. To start a journey in the 1800s we have to start from a place call
  3. 3. one of the owl's foods
  4. 4. one of the foods that causes allergies
  5. 5. inexperienced
  6. 6. the field of science that studies the form of organisms, especially plants and animals
  7. 9. a type of energy made from fatty acid
  8. 12. science that studies animals
  9. 16. roads that are payment