Across
1
Large natural elevation of earth
4
Dry land with little rainfall
5
Imaginary line around the middle of Earth
6
Low area between mountains
8
Largest ocean on Earth
9
Piece of land jutting into the sea
Down
2
Large area covered with trees
3
Region surrounding the North Pole
6
Mountain that can erupt with lava
7
Distance east or west of prime meridian