Across
1
Low-lying land surrounded by higher ground
4
Goods sold to another country
6
Land surrounded by water
7
Physical features of land
11
Long-term weather patterns of an area
12
Landform where river meets the sea
Down
2
Mountain that can erupt with lava
3
Distance north or south of equator
5
Largest ocean on Earth
8
Half of the Earth
9
Line dividing two countries
10
Ridge of rock or coral near the surface