Camp crossword

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Across
  1. 2. they provide oxygen for us and provide a habitat for some animals
  2. 3. a flat floatable platform that you can use to sail on
  3. 6. you can drink it and it makes up lakes, seas and rivers
  4. 7. you go to it to learn
Down
  1. 1. something you can stay in while camping
  2. 2. they teach children at school
  3. 4. a small Canoe shaped boat
  4. 5. you can eat it and it starts with f and ends with o