Daffodils and tulips are examples of which of these?

Though most presidents have claimed affiliation with a christian church, the only roman catholic president has been a) abraham lincoln. b) john f. kennedy. c) george washington. d) franklin d. roosevelt.

Which of the following  bestillustrates a negative reinforcer?               a.  copland gives up candy to stave off chronic acid indigestion.    b.  nancy learns that she prefers chocolate over vanilla.    c.  carmine changes his major to english lit after failing a math exam.    d.  on a hot day, lindberg always drinks lemonade.

Aguiding principle of the national response framework is that: a. response partners use nonstandard structures to allow for flexible and scalable responses. b. unity of effort results when responding agencies are willing to relinquish their authorities. c. effective partnership relies on engaging all elements of the whole community. d. readiness to act encourages response partners to self-dispatch to an incident scene.