Across
1
Vast body of salt water
4
Flat elevated area of land
5
Physical features of land
9
Total number of people in an area
10
Distance east or west of prime meridian
Down
2
Region between the two tropic lines
3
Wearing away of land by water or wind
6
Body of water surrounded by land
7
Large area covered with trees
8
Landform where river meets the sea