Across
1
Low area between mountains
3
Goods brought in from another country
6
Height above sea level
9
Large area covered with trees
11
Land surrounded by water
Down
2
Vast body of salt water
4
Total number of people in an area
5
Imaginary line around the middle of Earth
7
Steep rock face at edge of land
8
Large slow-moving mass of ice
10
Landform where river meets the sea