Across
1
Landform where river meets the sea
5
Cold treeless Arctic plain
6
Steep rock face at edge of land
8
Area where water covers the soil
9
Low-lying land surrounded by higher ground
10
Seasonal heavy rainfall
11
Tool for finding directions
Down
2
Narrow sea inlet between cliffs
3
Distance east or west of prime meridian
4
Ocean between Americas and Europe/Africa
7
Where river meets the sea
12
Raised area of land, smaller than a mountain