How do clouds and precipitation form?

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Across
  1. 1. Frozen precipitation that forms in layers.
  2. 3. Clouds that are low-level that cover the whole sky.
  3. 5. Clouds that are thin, wispy and white.
  4. 9. Clouds that grow vertically and have rising air inside.
  5. 10. Frozen raindrops.
Down
  1. 2. Midlevel clouds that look like small, puffy balls.
  2. 4. Come in many shapes and sizes.
  3. 6. What most of the rain in the United States starts as.
  4. 7. Precipitation that falls to the ground as liquid drops.
  5. 8. Clouds at ground level.