Matter

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Across
  1. 3. people
  2. 4. the category Matter is in
  3. 6. solid, liquid, gas
Down
  1. 1. matter a science that deals with the composition, structure and properties of substances
  2. 2. Pollution companies that produce gasoline will pay more for low-sulfur oil to keep to keep this low
  3. 5. Bhattacharya to help exaime dust caught in the porous structures of the Porites and the