横向
1
Landform where river meets the sea
3
Wearing away of land by water or wind
5
Distance east or west of prime meridian
6
Visual representation of an area
7
Region surrounding the North Pole
8
Region between the two tropic lines
纵向
2
Where river meets the sea
4
Ocean between Americas and Europe/Africa
8
Cold treeless Arctic plain
9
Mountain that can erupt with lava
10
Raised area of land, smaller than a mountain
11
Deep narrow valley with steep sides
12
Total number of people in an area