Across
1
Steep rock face at edge of land
2
Cold treeless Arctic plain
3
Line dividing two countries
5
Height above sea level
9
Piece of land jutting into the sea
11
Land surrounded by water on three sides
12
Deep narrow valley with steep sides
13
Largest ocean on Earth
Down
1
Long-term weather patterns of an area
4
Region near the equator
4
Region between the two tropic lines
6
Body of water surrounded by land
7
Distance north or south of equator
8
Where river meets the sea
10
Seasonal heavy rainfall