Across
1
Land surrounded by water
4
Largest ocean on Earth
5
Large natural elevation of earth
8
Where river meets the sea
9
Cold treeless Arctic plain
11
Distance east or west of prime meridian
Down
2
Large area covered with trees
3
Low-lying land surrounded by higher ground
6
Ocean between Americas and Europe/Africa
7
Flat grassland in tropical regions
10
Wearing away of land by water or wind