Across
1
Flat grassland in tropical regions
6
Vast body of salt water
7
Distance north or south of equator
8
Land surrounded by water on three sides
9
Long-term weather patterns of an area
10
Chain or group of islands
Down
2
Large natural elevation of earth
3
Height above sea level
4
Low area between mountains
5
Wearing away of land by water or wind
11
One of seven major landmasses