1
Q
Ecumene (define + factors)
A
The habitable areas of the world. factors: climate, landforms, water bodies
2
Q
Arithmetic Density
A
Total number of people divided by the total land area (sq. mi)
3
Q
Agricultural Density
A
Number of farmers per unit of arable land (sq. mi)
4
Q
Physiological Density
A
Number of people per unit area of land (sq. mi)
