Across
1
Largest ocean on Earth
3
Landform where river meets the sea
6
Large area covered with trees
7
Region between the two tropic lines
8
Ocean between Americas and Europe/Africa
9
Wearing away of land by water or wind
12
Total number of people in an area
13
Dry land with little rainfall
Down
2
Where river meets the sea
4
Steep rock face at edge of land
5
Land surrounded by water on three sides
7
Cold treeless Arctic plain
10
Distance east or west of prime meridian
11
Land surrounded by water