Across
1
Height above sea level
4
Largest river in South America
5
Ridge of rock or coral near the surface
6
Raised area of land, smaller than a mountain
9
Low area between mountains
10
Distance north or south of equator
Down
2
Long-term weather patterns of an area
3
Line dividing two countries
7
Narrow sea inlet between cliffs
8
Land surrounded by water on three sides