Across
1
Distance east or west of prime meridian
5
Mountain that can erupt with lava
6
Wearing away of land by water or wind
7
Region near the equator
9
Large area covered with trees
11
Tool for finding directions
Down
2
Narrow sea inlet between cliffs
3
Line dividing two countries
4
One of seven major landmasses
8
Low-lying land surrounded by higher ground
10
Total number of people in an area