Across
1
Piece of land jutting into the sea
3
Cold treeless Arctic plain
4
Low-lying land surrounded by higher ground
8
Large natural stream of water
9
One of seven major landmasses
Down
2
Largest hot desert in the world
4
Line dividing two countries
5
Wearing away of land by water or wind
6
Seasonal heavy rainfall
7
Landform where river meets the sea