Across
1
Visual representation of an area
3
Low area between mountains
4
Mountain that can erupt with lava
7
Large natural stream of water
9
Long-term weather patterns of an area
10
Large slow-moving mass of ice
Down
2
Imaginary line around the middle of Earth
5
Cold treeless Arctic plain
6
Region near the equator
6
Region between the two tropic lines
8
Largest river in South America