Across
1
Where river meets the sea
5
Deep narrow valley with steep sides
6
Low-lying land surrounded by higher ground
8
Half of the Earth
9
Large natural stream of water
10
Narrow sea inlet between cliffs
12
Area where water covers the soil
Down
2
Seasonal heavy rainfall
3
Cold treeless Arctic plain
4
Goods sold to another country
7
Large natural elevation of earth
11
Raised area of land, smaller than a mountain
13
Imaginary line around the middle of Earth
14
Ocean between Americas and Europe/Africa