Across
1
Large body of water partly enclosed by land
3
Line dividing two countries
4
Piece of land jutting into the sea
6
Ocean between Americas and Europe/Africa
7
Total number of people in an area
10
Flat grassland in tropical regions
Down
2
Mountain that can erupt with lava
5
Imaginary line around the middle of Earth
8
Ridge of rock or coral near the surface
9
Goods brought in from another country