Across
1
Goods sold to another country
4
Low-lying land surrounded by higher ground
6
Half of the Earth
9
Deep narrow valley with steep sides
10
Low area between mountains
12
Goods brought in from another country
Down
2
Region between the two tropic lines
3
Ocean between Americas and Europe/Africa
5
Body of water surrounded by land
7
Flat grassland in tropical regions
8
Wearing away of land by water or wind
11
Ridge of rock or coral near the surface