Across
1
Large slow-moving mass of ice
4
Mountain that can erupt with lava
5
Where river meets the sea
7
Large natural elevation of earth
8
Flat elevated area of land
9
Largest river in South America
Down
2
Land surrounded by water on three sides
3
Total number of people in an area
5
Imaginary line around the middle of Earth
6
Distance north or south of equator