Across
1
Flat grassland in tropical regions
5
Vast body of salt water
6
Imaginary line around the middle of Earth
7
Low-lying land surrounded by higher ground
8
Goods sold to another country
Down
1
Largest hot desert in the world
2
Flat elevated area of land
3
Cold treeless Arctic plain
4
Distance north or south of equator
9
One of seven major landmasses
10
Long-term weather patterns of an area
11
Largest river in South America