physical features vocabulary

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Across
  1. 2. is a very deep landform
  2. 4. a landform that has water on all the side
  3. 5. a landform that has almost no water and has a lot of sands
  4. 7. a high and steep landform that can erupt
  5. 9. a place where river or stream starts
  6. 10. a high and steep landform
Down
  1. 1. a area has salt water extends into land but it's smaller than gulf
  2. 3. a group of islands
  3. 6. an area that has a lot of trees
  4. 8. has fresh water but smaller than lake