The sun and other inventions

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Across
  1. 2. what is red as mars
  2. 4. what is the best invention
  3. 5. what needs to be pumped up
  4. 7. what are bad inventions
Down
  1. 1. what is round as earth
  2. 3. what gets angry
  3. 6. what has a trail like a comet