Across
1
Imaginary line around the middle of Earth
3
Steep rock face at edge of land
7
Where river meets the sea
9
Largest hot desert in the world
10
Land surrounded by water on three sides
Down
2
Large area covered with trees
4
Chain or group of islands
5
Goods sold to another country
6
Region between the two tropic lines
8
Distance east or west of prime meridian