I think it's b from what I read but if it's not b try d also I'm so sorry if I get you this question wrong but defteinly go with B first I hope this helps.
The Skinner box allows experimenters to test animals without having to "re-load" the experiment, allowing the trainer to reinforce the animal with <u>operant conditioning</u> trials.
Explanation:
There are a number of behavior and actions shown by a particular specie when they are placed or position inside a given environment for the Skinner box it involve a animal which was constantly attempting to get its hands on the given bait.And that is why the following actions were termed as the operant conditioning.
Carbon forms the key component for all known life on Earth. Carbon is the basis of all molecules. Its is easily able to bond because of the 4 valence electrons.