Across
1
Dry land with little rainfall
3
Raised area of land, smaller than a mountain
5
Low area between mountains
6
Vast body of salt water
9
Height above sea level
10
Region surrounding the North Pole
Down
2
Land surrounded by water
4
Ridge of rock or coral near the surface
7
Distance east or west of prime meridian
8
Imaginary line around the middle of Earth