Life

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Across
  1. 2. all living things need it
  2. 5. it gives off heat
  3. 6. they have a lot in common with humans
Down
  1. 1. gives us energy, keeps us healthy
  2. 3. from them we get oxygen
  3. 4. all planes, birds, flies, have them
  4. 5. a vast body of water