Across
1
Area where water covers the soil
6
Large natural elevation of earth
7
Large slow-moving mass of ice
8
Raised area of land, smaller than a mountain
9
Vast body of salt water
10
Wearing away of land by water or wind
Down
2
Region near the equator
3
Flat grassland in tropical regions
4
Piece of land jutting into the sea
5
Height above sea level
11
Low area between mountains
12
Deep narrow valley with steep sides
13
Largest ocean on Earth