Across
1
Flat grassland in tropical regions
5
Steep rock face at edge of land
6
Mountain that can erupt with lava
7
Largest river in South America
12
Deep narrow valley with steep sides
13
Large natural elevation of earth
14
Region surrounding the North Pole
Down
2
Seasonal heavy rainfall
3
Imaginary line around the middle of Earth
4
Land surrounded by water on three sides
8
Large area covered with trees
9
Piece of land jutting into the sea
10
Goods sold to another country
11
City that is seat of government