Across
1
Body of water surrounded by land
3
Low-lying land surrounded by higher ground
4
Wearing away of land by water or wind
5
Largest ocean on Earth
8
Physical features of land
11
Large area covered with trees
12
Imaginary line around the middle of Earth
Down
2
Flat grassland in tropical regions
5
Land surrounded by water on three sides
6
Area where water covers the soil
7
Goods brought in from another country
9
Height above sea level
10
Total number of people in an area