Across
1
Distance north or south of equator
3
Flat grassland in tropical regions
9
Region between the two tropic lines
10
Landform where river meets the sea
12
Mountain that can erupt with lava
13
Wearing away of land by water or wind
Down
2
Low-lying land surrounded by higher ground
4
Total number of people in an area
5
Long-term weather patterns of an area
6
Visual representation of an area
7
Piece of land jutting into the sea
8
Ocean between Americas and Europe/Africa
11
Narrow sea inlet between cliffs