Across
1
Distance east or west of prime meridian
6
Low area between mountains
9
Cold treeless Arctic plain
11
Ridge of rock or coral near the surface
Down
2
Large body of water partly enclosed by land
3
Flat grassland in tropical regions
4
Physical features of land
5
Long-term weather patterns of an area
7
Large area covered with trees
8
Where river meets the sea
10
Chain or group of islands