Across
1
Ocean between Americas and Europe/Africa
4
Line dividing two countries
5
Large body of water partly enclosed by land
6
Flat grassland in tropical regions
8
Half of the Earth
9
Height above sea level
12
Total number of people in an area
Down
2
Steep rock face at edge of land
3
Wearing away of land by water or wind
7
Long-term weather patterns of an area
10
Large natural stream of water
11
Physical features of land