Across
1
Chain or group of islands
7
Large natural stream of water
8
Raised area of land, smaller than a mountain
10
Region between the two tropic lines
13
Largest hot desert in the world
14
Cold treeless Arctic plain
15
Region near the equator
Down
2
Body of water surrounded by land
3
Total number of people in an area
4
Ocean between Americas and Europe/Africa
5
Piece of land jutting into the sea
6
Largest river in South America
9
Large natural elevation of earth
11
Land surrounded by water
12
Large area covered with trees