Across
1
Tool for finding directions
3
Ridge of rock or coral near the surface
5
Deep narrow valley with steep sides
6
Largest ocean on Earth
8
Line dividing two countries
9
Ocean between Americas and Europe/Africa
10
Large area covered with trees
Down
2
Narrow sea inlet between cliffs
4
Total number of people in an area
5
Long-term weather patterns of an area
7
Largest hot desert in the world