Across
1
Largest ocean on Earth
4
Flat grassland in tropical regions
5
Wearing away of land by water or wind
7
Height above sea level
11
Largest hot desert in the world
Down
2
Ridge of rock or coral near the surface
3
Physical features of land
6
Largest river in South America
8
Raised area of land, smaller than a mountain
9
Large body of water partly enclosed by land
10
One of seven major landmasses