Across
1
Large natural elevation of earth
4
Region near the equator
7
Area where water covers the soil
8
Cold treeless Arctic plain
9
Imaginary line around the middle of Earth
10
Region surrounding the North Pole
Down
1
Visual representation of an area
2
Deep narrow valley with steep sides
3
Largest river in South America
5
Vast body of salt water
6
Large natural stream of water