Across
1
Line dividing two countries
2
Ocean between Americas and Europe/Africa
7
Deep narrow valley with steep sides
8
Height above sea level
9
Large area covered with trees
Down
1
Low-lying land surrounded by higher ground
3
Total number of people in an area
4
Body of water surrounded by land
5
Flat grassland in tropical regions
6
Dry land with little rainfall
10
Region near the equator