Across
1
Cold treeless Arctic plain
3
Long-term weather patterns of an area
5
Low-lying land surrounded by higher ground
7
Deep narrow valley with steep sides
8
Physical features of land
9
Distance east or west of prime meridian
Down
1
Region between the two tropic lines
2
Ridge of rock or coral near the surface
4
Land surrounded by water
6
Landform where river meets the sea
10
Raised area of land, smaller than a mountain
11
Distance north or south of equator
12
Large slow-moving mass of ice
13
Ocean between Americas and Europe/Africa