Across
1
Flat grassland in tropical regions
3
Ridge of rock or coral near the surface
7
Seasonal heavy rainfall
8
Large natural stream of water
9
Flat elevated area of land
10
Goods sold to another country
11
Low-lying land surrounded by higher ground
12
Land surrounded by water on three sides
Down
2
Chain or group of islands
4
Region between the two tropic lines
5
Ocean between Americas and Europe/Africa
6
Imaginary line around the middle of Earth