Across
1
Body of water surrounded by land
4
Dry land with little rainfall
5
Deep narrow valley with steep sides
6
Where river meets the sea
10
Raised area of land, smaller than a mountain
11
Mountain that can erupt with lava
Down
2
Ridge of rock or coral near the surface
3
Cold treeless Arctic plain
7
Ocean between Americas and Europe/Africa
8
Largest hot desert in the world
9
One of seven major landmasses
12
Flat elevated area of land