Across
1
Low area between mountains
4
Long-term weather patterns of an area
7
Ridge of rock or coral near the surface
9
Tool for finding directions
12
Piece of land jutting into the sea
Down
2
Largest ocean on Earth
3
Large slow-moving mass of ice
5
Largest river in South America
6
Large area covered with trees
8
Wearing away of land by water or wind
10
Imaginary line around the middle of Earth
11
Distance north or south of equator