Across
1
Where river meets the sea
4
Large body of water partly enclosed by land
6
Vast body of salt water
7
Line dividing two countries
9
Piece of land jutting into the sea
10
Land surrounded by water on three sides
Down
2
Mountain that can erupt with lava
3
Large natural stream of water
5
Distance east or west of prime meridian
8
Seasonal heavy rainfall
11
Ridge of rock or coral near the surface