Crossword Puzzle Weeks 1-2

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Across
  1. 2. -when going to sleep one of the last part of the brain is what
  2. 3. -soak food or tea in water or other liquid so as to extract its flavor or to soften it
  3. 5. -a background that's behind you when taking a picture
  4. 6. -the income generated from the sale of the output in product
Down
  1. 1. -of a color intensely deep or bright.
  2. 4. -form a theory or set of theories about something