Across
1
Land surrounded by water
4
Ridge of rock or coral near the surface
6
Seasonal heavy rainfall
8
Large area covered with trees
10
Line dividing two countries
11
Goods sold to another country
Down
2
Raised area of land, smaller than a mountain
3
Height above sea level
5
Flat grassland in tropical regions
7
Vast body of salt water
9
One of seven major landmasses
12
Dry land with little rainfall