Across
1
Where river meets the sea
5
Mountain that can erupt with lava
6
Imaginary line around the middle of Earth
8
Total number of people in an area
9
Wearing away of land by water or wind
12
Large body of water partly enclosed by land
Down
2
Physical features of land
3
Largest ocean on Earth
4
Distance east or west of prime meridian
5
Low area between mountains
7
Visual representation of an area
10
Flat elevated area of land
11
Area where water covers the soil