Across
1
Flat elevated area of land
3
Narrow sea inlet between cliffs
6
Large natural stream of water
7
Line dividing two countries
8
Low-lying land surrounded by higher ground
9
Region near the equator
Down
2
Half of the Earth
3
Large area covered with trees
4
Wearing away of land by water or wind
5
Region surrounding the North Pole
10
Large body of water partly enclosed by land
11
Deep narrow valley with steep sides