Across
1
Landform where river meets the sea
4
Large natural elevation of earth
6
Imaginary line around the middle of Earth
Down
2
Where river meets the sea
3
Largest river in South America
5
Region between the two tropic lines
7
Low-lying land surrounded by higher ground
8
Large area covered with trees
9
Region near the equator
10
Narrow sea inlet between cliffs