Please help

Which of these is not associated with a public good?

A. Non- Rival

B. Free Rider

C. Non-Excludable

D. Individual payment

according to what i understood i suppose the answers are A.non-rival & B.free rider...im not quite sure tho.

hope this helps...ty:)mark me as brainliest if this is the answer...

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

the right answer is a