Across
1
Mountain that can erupt with lava
5
Raised area of land, smaller than a mountain
6
Low area between mountains
7
Height above sea level
9
Largest ocean on Earth
10
Large natural elevation of earth
Down
2
Steep rock face at edge of land
3
Distance east or west of prime meridian
4
Large natural stream of water
8
Deep narrow valley with steep sides
9
Total number of people in an area
11
Distance north or south of equator