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Across
  1. 4. - Discussed in the context of how canyons are formed over time.
  2. 6. - Mentioned regarding how canyons provide homes for plants and animals.
  3. 8. - Mentioned as large, flat areas covered in grass.
  4. 10. - Discussed in the context of the unique features and beauty of canyons.
Down
  1. 1. - Related to how hot or cold the air is, as discussed in the humidity passage.
  2. 2. - Defined as the amount of water vapor in the air, which is a key concept in the temperature reading.
  3. 3. - Explained as flat land next to rivers that can flood, relating to plains.
  4. 5. - Described as a type of grassland with scattered trees found in warm climates.
  5. 7. - Defined as a deep, narrow valley with steep sides, as mentioned in the canyon passage.
  6. 9. - Described as a hot spring that shoots water and steam into the air.