Across
1
Distance east or west of prime meridian
4
Ocean between Americas and Europe/Africa
7
Wearing away of land by water or wind
8
Large natural stream of water
9
Piece of land jutting into the sea
10
Flat elevated area of land
Down
2
Low area between mountains
3
Steep rock face at edge of land
4
Height above sea level
5
One of seven major landmasses
6
Goods sold to another country
11
Area where water covers the soil
12
Large slow-moving mass of ice
13
Land surrounded by water