Across
1
Largest ocean on Earth
2
Flat elevated area of land
3
Seasonal heavy rainfall
4
Physical features of land
7
Height above sea level
9
Region between the two tropic lines
10
Large area covered with trees
Down
1
Total number of people in an area
5
Half of the Earth
6
Land surrounded by water
8
Region surrounding the North Pole
11
Cold treeless Arctic plain
12
One of seven major landmasses