Across
1
Imaginary line around the middle of Earth
2
Distance north or south of equator
4
Piece of land jutting into the sea
5
Mountain that can erupt with lava
6
Narrow sea inlet between cliffs
7
Half of the Earth
8
Low area between mountains
Down
1
Wearing away of land by water or wind
2
Distance east or west of prime meridian
3
Chain or group of islands
9
Large natural stream of water