Across
1
Largest river in South America
5
Narrow sea inlet between cliffs
7
Ridge of rock or coral near the surface
8
City that is seat of government
9
Region between the two tropic lines
10
Large area covered with trees
11
Wearing away of land by water or wind
12
Dry land with little rainfall
13
Flat grassland in tropical regions
Down
2
Total number of people in an area
3
Large slow-moving mass of ice
4
Line dividing two countries
6
Land surrounded by water
14
Distance north or south of equator