I love summerrr

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Across
  1. 5. study of reptiles and amphibians
  2. 6. study of water on earth
  3. 7. study of parasites
Down
  1. 1. study of viruses and viral diseases
  2. 2. study of the bones and disorder and diseases of the skeletal system
  3. 3. zoology study of anaimals with back bones and everything about them
  4. 4. study of earth's moon and it's geology