Across
1
Largest ocean on Earth
4
Low area between mountains
5
Low-lying land surrounded by higher ground
6
Mountain that can erupt with lava
7
Ridge of rock or coral near the surface
8
Piece of land jutting into the sea
9
Large natural elevation of earth
Down
1
Land surrounded by water on three sides
2
Wearing away of land by water or wind
3
Large natural stream of water
9
Visual representation of an area
10
Body of water surrounded by land