Across
1
Vast body of salt water
3
Line dividing two countries
6
Land surrounded by water
8
Seasonal heavy rainfall
9
Wearing away of land by water or wind
10
One of seven major landmasses
Down
2
Piece of land jutting into the sea
4
Largest river in South America
5
Distance east or west of prime meridian
7
Goods brought in from another country