Across
1
Imaginary line around the middle of Earth
5
Low area between mountains
7
Long-term weather patterns of an area
9
Large body of water partly enclosed by land
Down
2
Region near the equator
3
Dry land with little rainfall
4
Narrow sea inlet between cliffs
6
Body of water surrounded by land
8
Cold treeless Arctic plain
10
Wearing away of land by water or wind
11
Region surrounding the North Pole