Across
1
Largest ocean on Earth
5
Distance east or west of prime meridian
6
Ridge of rock or coral near the surface
7
Total number of people in an area
8
Visual representation of an area
9
Physical features of land
10
Deep narrow valley with steep sides
Down
2
Large area covered with trees
3
Landform where river meets the sea
4
Region surrounding the North Pole
11
Largest river in South America
12
Imaginary line around the middle of Earth