Across
1
Region near the equator
4
Chain or group of islands
5
Distance east or west of prime meridian
6
Piece of land jutting into the sea
10
Largest ocean on Earth
12
Low area between mountains
Down
2
Low-lying land surrounded by higher ground
3
Wearing away of land by water or wind
5
Body of water surrounded by land
7
Where river meets the sea
8
Landform where river meets the sea
9
Land surrounded by water on three sides
11
Distance north or south of equator