Across
1
Low-lying land surrounded by higher ground
5
Large area covered with trees
6
Physical features of land
7
Distance north or south of equator
8
One of seven major landmasses
Down
1
Line dividing two countries
2
Cold treeless Arctic plain
3
Largest hot desert in the world
4
Wearing away of land by water or wind
9
Long-term weather patterns of an area