Across
1
Largest river in South America
2
Dry land with little rainfall
5
Region surrounding the North Pole
7
Large area covered with trees
9
Long-term weather patterns of an area
11
Low-lying land surrounded by higher ground
12
Imaginary line around the middle of Earth
Down
2
Landform where river meets the sea
3
Line dividing two countries
4
Body of water surrounded by land
6
Largest hot desert in the world
8
Goods brought in from another country
10
Large natural stream of water