Across
1
Low area between mountains
2
Wearing away of land by water or wind
4
Area where water covers the soil
5
Line dividing two countries
9
Long-term weather patterns of an area
11
Low-lying land surrounded by higher ground
12
Physical features of land
Down
2
Where river meets the sea
3
Imaginary line around the middle of Earth
6
Region between the two tropic lines
7
Narrow sea inlet between cliffs
8
Region near the equator
9
Steep rock face at edge of land
10
Large natural elevation of earth