Across
1
Height above sea level
5
Long-term weather patterns of an area
6
Largest river in South America
7
Largest ocean on Earth
8
Piece of land jutting into the sea
10
Cold treeless Arctic plain
Down
2
Landform where river meets the sea
3
Land surrounded by water on three sides
4
Area where water covers the soil
9
Large natural stream of water
11
Flat elevated area of land