Across
1
City that is seat of government
5
Imaginary line around the middle of Earth
6
Total number of people in an area
7
Deep narrow valley with steep sides
Down
2
Largest river in South America
3
Long-term weather patterns of an area
4
Cold treeless Arctic plain
8
Land surrounded by water
9
Raised area of land, smaller than a mountain
10
Region between the two tropic lines
11
Physical features of land
12
Where river meets the sea
13
Goods brought in from another country