Across
1
Largest river in South America
2
Dry land with little rainfall
4
Ridge of rock or coral near the surface
6
Raised area of land, smaller than a mountain
7
Largest ocean on Earth
9
Flat elevated area of land
Down
2
Landform where river meets the sea
3
Large area covered with trees
5
Large slow-moving mass of ice
8
Largest hot desert in the world
10
Imaginary line around the middle of Earth