Across
1
Low-lying land surrounded by higher ground
4
One of seven major landmasses
5
Large area covered with trees
6
Large body of water partly enclosed by land
8
Largest hot desert in the world
Down
2
Largest river in South America
3
Half of the Earth
4
Steep rock face at edge of land
7
Land surrounded by water
9
Region near the equator
10
Line dividing two countries