Across
1
Largest river in South America
3
Physical features of land
5
Height above sea level
7
Total number of people in an area
10
Half of the Earth
12
Wearing away of land by water or wind
Down
2
Piece of land jutting into the sea
3
Region near the equator
4
Vast body of salt water
6
Largest hot desert in the world
8
Flat elevated area of land
9
Goods sold to another country
11
Landform where river meets the sea