横向
1
Half of the Earth
4
Physical features of land
5
Low-lying land surrounded by higher ground
8
Mountain that can erupt with lava
9
Ridge of rock or coral near the surface
10
Body of water surrounded by land
纵向
2
Total number of people in an area
3
Chain or group of islands
4
Region near the equator
6
Dry land with little rainfall
7
Landform where river meets the sea