Across
1
Large natural stream of water
4
Half of the Earth
5
Deep narrow valley with steep sides
10
Imaginary line around the middle of Earth
Down
2
Goods sold to another country
3
Region near the equator
6
Landform where river meets the sea
7
Land surrounded by water
8
Ridge of rock or coral near the surface
9
Low-lying land surrounded by higher ground
11
Low area between mountains