Across
1
Distance east or west of prime meridian
5
Low area between mountains
6
Half of the Earth
7
Largest ocean on Earth
9
Deep narrow valley with steep sides
Down
2
Region near the equator
2
Region between the two tropic lines
3
Vast body of salt water
4
Total number of people in an area
6
Raised area of land, smaller than a mountain
8
Low-lying land surrounded by higher ground
10
Landform where river meets the sea
11
Chain or group of islands