fire and ice

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Across
  1. 6. what is the author's (first) name?
  2. 7. What is the meaning of‘perish’?
  3. 8. What does the poet compare fire with?
Down
  1. 1. what does the poet think the world would end in?
  2. 2. what is ‘Ice’ a symbol of?
  3. 3. what is ‘fire’ a symbol of?
  4. 4. name the poetic device used in the line “Some say the world will end in fire”.
  5. 5. according to the author what will end one day?