Across
1
Total number of people in an area
5
Low area between mountains
7
Wearing away of land by water or wind
8
Large body of water partly enclosed by land
12
Ocean between Americas and Europe/Africa
13
Dry land with little rainfall
Down
2
Region near the equator
3
Landform where river meets the sea
4
Height above sea level
6
Area where water covers the soil
9
Deep narrow valley with steep sides
10
Half of the Earth
11
One of seven major landmasses