Across
1
Largest ocean on Earth
5
One of seven major landmasses
6
Wearing away of land by water or wind
7
Region between the two tropic lines
9
Goods sold to another country
13
Line dividing two countries
Down
2
Body of water surrounded by land
3
Large natural elevation of earth
4
Deep narrow valley with steep sides
8
City that is seat of government
10
Area where water covers the soil
11
Mountain that can erupt with lava
12
Vast body of salt water