Across
1
Flat elevated area of land
5
Deep narrow valley with steep sides
7
Distance east or west of prime meridian
8
Goods brought in from another country
11
Largest hot desert in the world
13
Low-lying land surrounded by higher ground
Down
2
Low area between mountains
3
Area where water covers the soil
4
Distance north or south of equator
6
Largest ocean on Earth
9
Region between the two tropic lines
10
Tool for finding directions
12
Cold treeless Arctic plain