Across
1
Chain or group of islands
4
Low-lying land surrounded by higher ground
8
Flat elevated area of land
9
Largest river in South America
10
Visual representation of an area
Down
2
Piece of land jutting into the sea
3
Long-term weather patterns of an area
4
Line dividing two countries
5
Land surrounded by water on three sides
6
Body of water surrounded by land
7
Seasonal heavy rainfall