Across
1
Distance east or west of prime meridian
5
Region near the equator
6
Large area covered with trees
7
Vast body of salt water
8
Physical features of land
11
Seasonal heavy rainfall
Down
2
Total number of people in an area
3
Region between the two tropic lines
4
Half of the Earth
9
Mountain that can erupt with lava
10
Cold treeless Arctic plain