If neither a sitting president nor vice president is seeking their party's nomination, the nomination is said to be

Open nomination

An open nomination is one whereby neither the sitting president or vice president is seeking nomination to be a party’s presidential candidate. An example of such a situation was in 2008 and in 1952 whereby neither the sitting president were seeking the nomination

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

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.