Across
1
Steep rock face at edge of land
2
Tool for finding directions
3
Vast body of salt water
7
Height above sea level
8
Wearing away of land by water or wind
9
Mountain that can erupt with lava
10
Where river meets the sea
Down
1
Long-term weather patterns of an area
4
Large area covered with trees
5
Largest ocean on Earth
6
Largest hot desert in the world