Across
1
Total number of people in an area
6
Piece of land jutting into the sea
7
Mountain that can erupt with lava
8
Area where water covers the soil
9
Ridge of rock or coral near the surface
10
Flat elevated area of land
Down
2
Narrow sea inlet between cliffs
3
Goods sold to another country
4
Line dividing two countries
5
Distance east or west of prime meridian
11
Large slow-moving mass of ice
12
Ocean between Americas and Europe/Africa
13
Large body of water partly enclosed by land