Across
1
Flat grassland in tropical regions
5
Large area covered with trees
7
Narrow sea inlet between cliffs
9
Long-term weather patterns of an area
10
Deep narrow valley with steep sides
Down
2
Region surrounding the North Pole
3
Height above sea level
4
Large natural elevation of earth
6
Region between the two tropic lines
8
Low-lying land surrounded by higher ground
11
Wearing away of land by water or wind