Across
1
Wearing away of land by water or wind
2
Body of water surrounded by land
3
Cold treeless Arctic plain
6
Large natural stream of water
7
Raised area of land, smaller than a mountain
9
Tool for finding directions
10
Flat grassland in tropical regions
11
Area where water covers the soil
Down
2
Distance east or west of prime meridian
3
Physical features of land
4
Seasonal heavy rainfall
5
Large natural elevation of earth
8
Chain or group of islands