横向
1
Flat grassland in tropical regions
4
Piece of land jutting into the sea
5
Total number of people in an area
6
Largest ocean on Earth
7
Largest river in South America
纵向
2
Large natural elevation of earth
3
Low area between mountains
4
Tool for finding directions
8
Region near the equator
9
Steep rock face at edge of land
10
Land surrounded by water on three sides
11
Landform where river meets the sea
12
City that is seat of government