Across
1
Flat grassland in tropical regions
4
Large body of water partly enclosed by land
6
Deep narrow valley with steep sides
7
City that is seat of government
8
Landform where river meets the sea
9
Region between the two tropic lines
10
Land surrounded by water
11
Where river meets the sea
Down
2
Distance north or south of equator
3
Distance east or west of prime meridian
5
Chain or group of islands
12
One of seven major landmasses
13
Largest river in South America