Across
1
Where river meets the sea
5
Low-lying land surrounded by higher ground
6
Area where water covers the soil
7
Chain or group of islands
8
Large slow-moving mass of ice
9
Raised area of land, smaller than a mountain
12
Long-term weather patterns of an area
Down
2
Dry land with little rainfall
3
Large body of water partly enclosed by land
4
Half of the Earth
10
Wearing away of land by water or wind
11
Low area between mountains
13
Imaginary line around the middle of Earth
14
Largest river in South America