When jenna completes a project, her parents give her a gift certificate, which she can use at her favorite store. in the context of operant conditioning, the gift certificate is an example of a primary reinforcer.

If i see a courtesan and a naked person do i call the police?

What policy did "jim crow" laws put in place? black codes integration segregation 2. the supreme court case that established the doctrine of "separate but equal" was dred scott v. sandford plessy v. ferguson brown v. board of education 3. the supreme court case that overturned the doctrine of "separate but equal" wasdred scott v. sandford plessy v. ferguson brown v. board of education

Arecent challenge to the european union created by a member state is?