Across
1
Region between the two tropic lines
4
Cold treeless Arctic plain
7
Height above sea level
9
Land surrounded by water
10
Large natural stream of water
11
Goods sold to another country
13
Large natural elevation of earth
Down
2
One of seven major landmasses
3
Deep narrow valley with steep sides
5
Visual representation of an area
6
Distance north or south of equator
8
Where river meets the sea
12
Ridge of rock or coral near the surface