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  1. 3. Which element has the atomic number 1?
  2. 6. Which gas do plants absorb for photosynthesis?
  3. 7. Who wrote the play 'Hamlet'?
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  1. 1. In what sport is the term 'love' used for scoring?
  2. 2. What is the hardest natural substance on Earth?
  3. 3. What is the chemical symbol for water?
  4. 4. What is the capital of France?
  5. 5. Which planet is known as the 'Red Planet'?