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Across
  1. 2. → Polar bear stays warm because of thick fat under its skin.
  2. 4. → Rock in which fossils are found.
  3. 5. → Broad leaves help this aquatic plant float on water.
  4. 7. → Camel’s long eyelashes protect its eyes from sand.
Down
  1. 1. → First step in treating a wound – clean it with water.
  2. 3. → Plant that stores water in its stem to survive in the desert.
  3. 6. → Gas form of water.