Across
1
Line dividing two countries
3
Steep rock face at edge of land
5
Long-term weather patterns of an area
6
Total number of people in an area
7
Piece of land jutting into the sea
9
Large natural stream of water
10
Landform where river meets the sea
11
Distance east or west of prime meridian
Down
2
Narrow sea inlet between cliffs
3
City that is seat of government
4
Half of the Earth
8
Largest river in South America