Across
1
Total number of people in an area
5
Long-term weather patterns of an area
7
Large slow-moving mass of ice
Down
2
Imaginary line around the middle of Earth
3
Flat grassland in tropical regions
4
Low-lying land surrounded by higher ground
6
Area where water covers the soil
8
Large area covered with trees
9
Where river meets the sea
10
Chain or group of islands
11
Large natural stream of water
12
Goods brought in from another country