Across
1
Half of the Earth
7
Low area between mountains
8
Region near the equator
9
Long-term weather patterns of an area
10
Wearing away of land by water or wind
Down
2
Imaginary line around the middle of Earth
3
Large natural elevation of earth
4
Goods sold to another country
5
Land surrounded by water on three sides
6
Ridge of rock or coral near the surface
8
Cold treeless Arctic plain
9
Piece of land jutting into the sea
11
Large slow-moving mass of ice
12
Region surrounding the North Pole