Across
1
Low-lying land surrounded by higher ground
4
Dry land with little rainfall
6
Landform where river meets the sea
7
City that is seat of government
8
One of seven major landmasses
9
Total number of people in an area
Down
2
Imaginary line around the middle of Earth
3
Region surrounding the North Pole
5
Chain or group of islands
10
Area where water covers the soil
11
Large slow-moving mass of ice
12
Distance north or south of equator