The eternity

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Across
  1. 3. DOWN TO EARTH – Return to reality after excitement.
  2. 5. – Simple, practical, or coarse in style or manner.
  3. 8. SCIENCES – The study of geology, geography, etc.
  4. 9. – A major environmental issue caused by harmful substances.
  5. 11. (the earth) – To be very expensive.
  6. 12. EARTH – Expression of surprise or emphasis (“Why ___ did you do that?”)
Down
  1. 1. – Surroundings or conditions in which a person lives.
  2. 2. – Of this world, ordinary.
  3. 4. – Made of earth or clay, like traditional floors.
  4. 6. (of the earth) – Refers to good, honest, humble people.
  5. 7. (earth-shattering) – Extremely surprising or impactful.
  6. 10. THE FACE OF THE EARTH – To disappear completely.