Across
1
Large natural elevation of earth
6
Where river meets the sea
7
Low-lying land surrounded by higher ground
Down
2
Large body of water partly enclosed by land
3
Long-term weather patterns of an area
4
Ocean between Americas and Europe/Africa
5
Cold treeless Arctic plain
8
Total number of people in an area
9
Deep narrow valley with steep sides
10
Distance north or south of equator