4 factors that produce changes in population size
SCI 275 - Ms. Sue, Friday, April 16, 2010 at 10:10pm
SCI 275 - bobpursley, Friday, April 16, 2010 at 10:12pm
Economy: availability of jobs
Changing climate: Rainfall,especially
Changes in weather: Hurricanes and flooding
Technical factors: discovery of birth control pills, or availability.
changes in Government policy: China's one child policy, tax deductions, child care provisions, and changes in things like family leave.