Question

what is a demographic transition model???

Answer 1

http://www.google.com/#sclient=psy&hl=en&q=demographic+transition+model&aq=f&aqi=g5&aql=&oq=&gs_rfai=&pbx=1&fp=7b3e9e0669ddb0a1

Read several. Read carefully. Take good notes.

Answer 2

thnk u

Answer 3

You're welcome. =)