Across
1
Line dividing two countries
5
Area where water covers the soil
6
Flat grassland in tropical regions
7
Land surrounded by water on three sides
8
Ocean between Americas and Europe/Africa
11
Wearing away of land by water or wind
Down
2
Distance north or south of equator
3
One of seven major landmasses
4
Ridge of rock or coral near the surface
9
Land surrounded by water
10
Low area between mountains
12
Low-lying land surrounded by higher ground