Across
1
Flat elevated area of land
6
Largest hot desert in the world
7
Distance east or west of prime meridian
8
Imaginary line around the middle of Earth
10
Large natural stream of water
Down
2
Wearing away of land by water or wind
3
Piece of land jutting into the sea
4
Height above sea level
5
Distance north or south of equator
9
Mountain that can erupt with lava
11
Chain or group of islands
12
Ocean between Americas and Europe/Africa