Across
1
Cold treeless Arctic plain
5
Half of the Earth
6
Total number of people in an area
7
Ridge of rock or coral near the surface
8
Flat elevated area of land
11
Ocean between Americas and Europe/Africa
13
Physical features of land
Down
2
Large natural elevation of earth
3
Largest river in South America
4
Height above sea level
9
Land surrounded by water
10
Imaginary line around the middle of Earth
12
Region surrounding the North Pole
14
Vast body of salt water