Across
1
Landform where river meets the sea
4
Vast body of salt water
5
Largest river in South America
6
Line dividing two countries
8
Height above sea level
12
Steep rock face at edge of land
14
Large natural stream of water
Down
2
Largest hot desert in the world
3
Imaginary line around the middle of Earth
7
Wearing away of land by water or wind
9
Ridge of rock or coral near the surface
10
Land surrounded by water
11
Ocean between Americas and Europe/Africa
13
Flat elevated area of land