Across
1
Landform where river meets the sea
4
Line dividing two countries
6
Visual representation of an area
7
Where river meets the sea
9
Total number of people in an area
10
Large slow-moving mass of ice
Down
2
Piece of land jutting into the sea
3
Tool for finding directions
5
Ridge of rock or coral near the surface
8
Region between the two tropic lines