I Typed This Title With My Nose!!!!

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Across
  1. 2. A group of Greeks that influenced their writing system.
  2. 3. A group of gases that surrounds Earth
  3. 4. The southern part of Greece.
  4. 5. Taking satisfaction in going above and beyond.
  5. 7. A system of symbols.
  6. 8. A form of oxygen that has three oxygen atoms in the molecule.
Down
  1. 1. An invisible gas form that is not to be confused with steam.
  2. 2. A brown haze that forms over populated areas.
  3. 4. Harmful substances in the air, soil, and water.
  4. 6. To try and try again.