Across
1
Largest river in South America
5
Large area covered with trees
6
Dry land with little rainfall
7
Raised area of land, smaller than a mountain
8
Wearing away of land by water or wind
10
Distance north or south of equator
Down
2
Distance east or west of prime meridian
3
Mountain that can erupt with lava
4
Visual representation of an area
9
Flat elevated area of land
11
Low-lying land surrounded by higher ground