Across
1
Land surrounded by water
5
Seasonal heavy rainfall
6
Steep rock face at edge of land
7
Distance north or south of equator
9
Where river meets the sea
10
Cold treeless Arctic plain
11
Body of water surrounded by land
12
Physical features of land
13
Large slow-moving mass of ice
Down
2
Flat grassland in tropical regions
3
Imaginary line around the middle of Earth
4
Height above sea level
8
Line dividing two countries
13
Large body of water partly enclosed by land