Across
1
Vast body of salt water
4
Largest ocean on Earth
5
Low-lying land surrounded by higher ground
7
Narrow sea inlet between cliffs
9
Large body of water partly enclosed by land
11
Long-term weather patterns of an area
13
Line dividing two countries
Down
2
Large natural elevation of earth
3
Seasonal heavy rainfall
6
Body of water surrounded by land
8
Large natural stream of water
10
Land surrounded by water on three sides
12
Cold treeless Arctic plain