Across
1
Distance east or west of prime meridian
4
City that is seat of government
7
Deep narrow valley with steep sides
11
Region between the two tropic lines
Down
2
Largest river in South America
3
Low-lying land surrounded by higher ground
5
Distance north or south of equator
6
Land surrounded by water
8
Ocean between Americas and Europe/Africa
9
Landform where river meets the sea
10
Cold treeless Arctic plain