Across
1
Land surrounded by water
4
Region near the equator
5
City that is seat of government
7
Cold treeless Arctic plain
8
Large slow-moving mass of ice
9
Largest ocean on Earth
Down
2
Total number of people in an area
3
Mountain that can erupt with lava
6
Deep narrow valley with steep sides
7
Region between the two tropic lines
8
Large body of water partly enclosed by land
10
Chain or group of islands