1. Which city has more bicycles than people?, Tokyo, Copenhagen, London, Dubai, 2. What is the fastest train in the world?, Bullet train, Subway, Maglev train, Cable car, 3. Where is the fastest train located?, USA, China, France, Saudi Arabia, 4. The first electric car was invented in:, 2010, 1999, 1832, 1950, 5. How many cars can one big tree “clean up" for per year?, One, Two, Five, Ten, 7. Cycling reduces CO₂ by about:, 20%, 50%, 90%, 100%, 10. Which creates more pollution?, Driving a car for one year, One long airplane flight.

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