Across
1
Region between the two tropic lines
4
Large slow-moving mass of ice
6
Chain or group of islands
8
Wearing away of land by water or wind
11
Ocean between Americas and Europe/Africa
Down
2
Distance east or west of prime meridian
3
Raised area of land, smaller than a mountain
5
Line dividing two countries
6
Region surrounding the North Pole
7
Large natural stream of water
9
Large body of water partly enclosed by land
10
Flat grassland in tropical regions
12
Steep rock face at edge of land