Across
1
Piece of land jutting into the sea
3
Total number of people in an area
6
Raised area of land, smaller than a mountain
7
Distance east or west of prime meridian
8
Large natural stream of water
11
Half of the Earth
12
Large body of water partly enclosed by land
Down
2
Largest river in South America
3
Flat elevated area of land
4
Region near the equator
5
Height above sea level
9
Largest hot desert in the world
10
Imaginary line around the middle of Earth