Across
1
Where river meets the sea
4
Large body of water partly enclosed by land
5
Mountain that can erupt with lava
7
Flat elevated area of land
8
Largest river in South America
9
Raised area of land, smaller than a mountain
10
Height above sea level
Down
1
Imaginary line around the middle of Earth
2
Total number of people in an area
3
Region near the equator
6
Low-lying land surrounded by higher ground
11
Distance north or south of equator