Science

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Across
  1. 1. is friction a contact force?
  2. 4. What are bananas? clue raidioact-
  3. 5. which one has been around longer, Shark or trees?
  4. 6. which of Lightning and the Sun is hottest?
Down
  1. 2. whats the planet that rains glass; clue exopla-
  2. 3. How many toes does cats have for climbing? clue theres no space