Across
1
Largest river in South America
4
Largest hot desert in the world
5
Low area between mountains
6
Visual representation of an area
9
Distance north or south of equator
10
Where river meets the sea
11
Imaginary line around the middle of Earth
Down
2
Piece of land jutting into the sea
3
Chain or group of islands
7
Flat grassland in tropical regions
8
Flat elevated area of land
12
Narrow sea inlet between cliffs