What is the basic difference between an open class system and a closed class system?
A. The presence or absence of written laws
B. The dependence or lack of dependence on technology
C. The existence or nonexistence of social mobility
D. The importance or lack of importance of job training

C. The existence or nonexistence of social mobility

well since twins have about the same dna they dont have one think in common which is the figer print. nobodys fingerprint is the same. if your using twin you would most likely get around the same results for both of them because of the genetics.. i hope this

either wyoming or idaho