Across
1
Deep narrow valley with steep sides
3
Dry land with little rainfall
7
One of seven major landmasses
8
Long-term weather patterns of an area
9
Low-lying land surrounded by higher ground
11
Seasonal heavy rainfall
12
Large natural stream of water
14
Imaginary line around the middle of Earth
Down
2
Where river meets the sea
4
Total number of people in an area
5
Narrow sea inlet between cliffs
6
Cold treeless Arctic plain
10
Visual representation of an area
13
Line dividing two countries
15
Largest hot desert in the world