822ad58d___THEMES__POPULATION_GEOGRAPHY_FACTORS_AFFECTING_POPULATION_Physical_Factors
[High Density] Groups of people want to live close to each other for security (US) [Low Density] Other groups of people prefer to be isolated (Scandinavians) [Physical Factors] 
Social
R e l i e f ( s h a p e a n d h e i g h t o f l a n d )
R e s o u r c e s
C l i m a t e
H u m a n F a c t o r s
P o l i t i c a l
S o c i a l
E c o n o m i c