Across
1
Land surrounded by water
5
Imaginary line around the middle of Earth
7
Raised area of land, smaller than a mountain
8
Large natural elevation of earth
9
Goods sold to another country
10
Piece of land jutting into the sea
Down
2
Line dividing two countries
3
Dry land with little rainfall
4
Largest ocean on Earth
6
Cold treeless Arctic plain
11
Long-term weather patterns of an area
12
Chain or group of islands