Across
1
Distance east or west of prime meridian
6
Region near the equator
6
Region between the two tropic lines
7
Flat grassland in tropical regions
9
Steep rock face at edge of land
10
Low area between mountains
11
Ridge of rock or coral near the surface
12
Seasonal heavy rainfall
Down
2
Ocean between Americas and Europe/Africa
3
Large natural elevation of earth
4
Cold treeless Arctic plain
5
Large slow-moving mass of ice
8
Flat elevated area of land
13
Deep narrow valley with steep sides