Across
1
Dry land with little rainfall
2
Seasonal heavy rainfall
4
Largest river in South America
5
Region between the two tropic lines
6
Narrow sea inlet between cliffs
7
Raised area of land, smaller than a mountain
10
Low area between mountains
11
Ridge of rock or coral near the surface
Down
2
Large natural elevation of earth
3
Half of the Earth
8
Steep rock face at edge of land
9
City that is seat of government