Across
1
Flat grassland in tropical regions
3
Line dividing two countries
5
Large body of water partly enclosed by land
6
Wearing away of land by water or wind
7
Half of the Earth
12
Mountain that can erupt with lava
Down
2
Large natural elevation of earth
4
Long-term weather patterns of an area
8
Chain or group of islands
9
Goods brought in from another country
10
One of seven major landmasses
11
Ridge of rock or coral near the surface