Across
1
Distance east or west of prime meridian
6
Mountain that can erupt with lava
7
Region near the equator
8
Large natural stream of water
10
Height above sea level
Down
2
Region surrounding the North Pole
3
Goods brought in from another country
4
Total number of people in an area
5
Large slow-moving mass of ice
7
Cold treeless Arctic plain
9
Half of the Earth