Across
1
Flat elevated area of land
4
Dry land with little rainfall
7
Largest river in South America
9
Distance north or south of equator
10
Raised area of land, smaller than a mountain
Down
2
Steep rock face at edge of land
3
Large area covered with trees
5
Imaginary line around the middle of Earth
6
Where river meets the sea
8
Height above sea level