Other questions in this quiz

2. When was solar power first used?

  • 4000 BC
  • 1000 BC
  • 3000 BC
  • 2000 BC

3. What is the optimum speed for most vehicles?

  • 57 mph
  • 56 mph
  • 55 mph
  • 60 mph

4. When did humans first learn how to use fire for cooking?

  • 1000 BC
  • 1 million BC
  • 2 million BC
  • 100 BC

5. When was the first natural gas well dug?

  • 1822
  • 1821
  • 1820
  • 1823

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