Across
1
Area where water covers the soil
3
Goods brought in from another country
5
Piece of land jutting into the sea
6
Raised area of land, smaller than a mountain
7
Ridge of rock or coral near the surface
10
Wearing away of land by water or wind
11
Distance east or west of prime meridian
12
Flat grassland in tropical regions
13
Height above sea level
Down
2
Total number of people in an area
4
Imaginary line around the middle of Earth
8
Goods sold to another country
9
Large area covered with trees