Across
1
Deep narrow valley with steep sides
4
Region near the equator
6
Wearing away of land by water or wind
7
Physical features of land
10
Distance north or south of equator
12
Ridge of rock or coral near the surface
Down
2
Region surrounding the North Pole
3
Chain or group of islands
5
Low-lying land surrounded by higher ground
8
Half of the Earth
9
Line dividing two countries
11
Imaginary line around the middle of Earth
13
Where river meets the sea