Across
1
Landform where river meets the sea
3
Low-lying land surrounded by higher ground
4
Tool for finding directions
8
Narrow sea inlet between cliffs
10
Body of water surrounded by land
Down
2
Largest hot desert in the world
4
Steep rock face at edge of land
5
Line dividing two countries
6
Raised area of land, smaller than a mountain
7
Largest ocean on Earth
9
Mountain that can erupt with lava