Across
1
Large slow-moving mass of ice
4
Body of water surrounded by land
5
Imaginary line around the middle of Earth
6
Half of the Earth
8
Cold treeless Arctic plain
10
Goods brought in from another country
Down
2
Large natural elevation of earth
3
Total number of people in an area
5
Wearing away of land by water or wind
7
Dry land with little rainfall
9
Region between the two tropic lines