Across
1
Ridge of rock or coral near the surface
3
Mountain that can erupt with lava
4
Flat grassland in tropical regions
6
Dry land with little rainfall
10
Region between the two tropic lines
Down
2
Large area covered with trees
5
Body of water surrounded by land
7
Land surrounded by water on three sides
8
Area where water covers the soil
9
Ocean between Americas and Europe/Africa