How Did That Get in My Lunchbox?

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Across
  1. 2. The main stem of a plant.
  2. 5. A group of trees that are close to one another.
  3. 6. A place where milk is prepared for drinking, or is made into other products, like butter, cream, and cheese.
Down
  1. 1. The lumps that form in milk when it turns sour.
  2. 3. Something that stings a little or feels prickly.
  3. 4. A bright red color.