Across
1
One of seven major landmasses
5
Largest river in South America
7
Low area between mountains
8
Wearing away of land by water or wind
10
Large natural elevation of earth
11
Large slow-moving mass of ice
13
Largest hot desert in the world
Down
2
Imaginary line around the middle of Earth
3
Body of water surrounded by land
4
Half of the Earth
6
Region between the two tropic lines
9
Area where water covers the soil
12
Region near the equator
14
Land surrounded by water on three sides