Across
1
Vast body of salt water
4
Wearing away of land by water or wind
5
Distance north or south of equator
6
Imaginary line around the middle of Earth
7
Goods sold to another country
8
Region surrounding the North Pole
10
Tool for finding directions
13
Landform where river meets the sea
Down
2
Long-term weather patterns of an area
3
Land surrounded by water on three sides
9
Low area between mountains
11
Region between the two tropic lines
12
Mountain that can erupt with lava