Jeopardy! Round, Double Jeopardy! Round, or Tiebreaker Round clues (5 results returned)
| #3490, aired 1999-11-05 | ECO TRIP $100: Nitrogen oxides combined with hydrocarbons in sunlight cause ground-level ozone, AKA this urban pollution smog |
| #3490, aired 1999-11-05 | ECO TRIP $300: "Save the Planet" is a motto of this chain of musical "cafes" that once kept a tally of the shrinking rain forest the Hard Rock Cafe |
| #3490, aired 1999-11-05 | ECO TRIP $400: "Ecology and the Human Spirit" is the subtitle of this man's book "Earth in the Balance" Al Gore |
| #3490, aired 1999-11-05 | ECO TRIP $500 (Daily Double): It's what the sign seen here is asking you to do (don't throw away those soda cans) recycle |
| #3490, aired 1999-11-05 | ECO TRIP $500: Sulfur & nitrogen compounds mix with water, lowering the pH level, & produce this kind of precipitation acid rain |
Final Jeopardy! Round clues (0 results returned)
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