Across
1
Line dividing two countries
4
Dry land with little rainfall
5
Flat elevated area of land
7
Seasonal heavy rainfall
8
One of seven major landmasses
9
Chain or group of islands
Down
2
Large natural stream of water
3
Cold treeless Arctic plain
6
Region between the two tropic lines
10
Distance east or west of prime meridian
11
Ridge of rock or coral near the surface
12
Goods brought in from another country