Across
1
Raised area of land, smaller than a mountain
4
Where river meets the sea
7
Vast body of salt water
8
Largest river in South America
9
Visual representation of an area
11
Chain or group of islands
12
Low area between mountains
13
Piece of land jutting into the sea
Down
2
Distance east or west of prime meridian
3
Area where water covers the soil
5
Flat grassland in tropical regions
6
Goods sold to another country
10
Region surrounding the North Pole