Across
1
Deep narrow valley with steep sides
4
Low area between mountains
5
Long-term weather patterns of an area
6
One of seven major landmasses
10
Seasonal heavy rainfall
12
Distance north or south of equator
Down
2
Cold treeless Arctic plain
3
Line dividing two countries
5
Piece of land jutting into the sea
7
Body of water surrounded by land
8
Imaginary line around the middle of Earth
9
Wearing away of land by water or wind
11
Raised area of land, smaller than a mountain