Across
1
Large natural stream of water
4
Dry land with little rainfall
5
Low area between mountains
6
Body of water surrounded by land
7
Low-lying land surrounded by higher ground
9
Narrow sea inlet between cliffs
11
Region between the two tropic lines
Down
2
Half of the Earth
3
Large slow-moving mass of ice
8
Mountain that can erupt with lava
10
Wearing away of land by water or wind
12
Visual representation of an area