Across
1
Mountain that can erupt with lava
6
Flat elevated area of land
7
Ridge of rock or coral near the surface
8
Deep narrow valley with steep sides
9
Body of water surrounded by land
11
Long-term weather patterns of an area
Down
2
Large natural elevation of earth
3
Largest river in South America
4
Region near the equator
5
Imaginary line around the middle of Earth
10
Land surrounded by water on three sides