Across
1
Goods brought in from another country
3
Flat grassland in tropical regions
8
Line dividing two countries
10
Total number of people in an area
11
Cold treeless Arctic plain
Down
2
Where river meets the sea
4
City that is seat of government
5
Tool for finding directions
6
Deep narrow valley with steep sides
7
Vast body of salt water
9
Physical features of land