Across
1
Chain or group of islands
4
Dry land with little rainfall
8
Ridge of rock or coral near the surface
10
Land surrounded by water
11
Physical features of land
13
Cold treeless Arctic plain
Down
2
Region between the two tropic lines
3
Where river meets the sea
5
Low area between mountains
6
Mountain that can erupt with lava
7
Height above sea level
9
Large natural elevation of earth
12
Area where water covers the soil