Across
1
Largest hot desert in the world
2
Low-lying land surrounded by higher ground
4
One of seven major landmasses
5
Wearing away of land by water or wind
6
Ocean between Americas and Europe/Africa
7
Large body of water partly enclosed by land
Down
2
Line dividing two countries
3
Chain or group of islands
8
Deep narrow valley with steep sides
9
Large natural stream of water