Across
1
Large natural stream of water
3
Total number of people in an area
4
One of seven major landmasses
5
Cold treeless Arctic plain
6
Landform where river meets the sea
10
Land surrounded by water on three sides
12
Raised area of land, smaller than a mountain
Down
2
Distance east or west of prime meridian
7
Vast body of salt water
8
Deep narrow valley with steep sides
9
Largest hot desert in the world
11
Land surrounded by water