Science

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Across
  1. 2. biggest star
  2. 5. burns through skin and substances
  3. 7. has a ph of 8-14
Down
  1. 1. dwarf planet
  2. 3. keeps the planets in orbit
  3. 4. natural occurring acid
  4. 6. third planet from sun
  5. 8. has a ph of 1-6