Across
1
Ocean between Americas and Europe/Africa
5
Total number of people in an area
6
Long-term weather patterns of an area
7
Flat elevated area of land
8
Distance east or west of prime meridian
Down
2
Low area between mountains
3
Large natural elevation of earth
4
Half of the Earth
9
Chain or group of islands
10
Height above sea level
11
Region between the two tropic lines