Across
1
Largest ocean on Earth
5
Where river meets the sea
6
Distance east or west of prime meridian
7
One of seven major landmasses
Down
2
Raised area of land, smaller than a mountain
3
Low area between mountains
4
Region between the two tropic lines
8
Height above sea level
9
Low-lying land surrounded by higher ground
10
Distance north or south of equator
11
Cold treeless Arctic plain