Across
1
Chain or group of islands
7
Half of the Earth
9
Piece of land jutting into the sea
Down
2
Ridge of rock or coral near the surface
3
Large area covered with trees
4
Largest hot desert in the world
5
Long-term weather patterns of an area
6
Body of water surrounded by land
8
Deep narrow valley with steep sides
9
One of seven major landmasses