Extinction is defined as the weakening and in some cases, a total disappearance of a response that is learned. In classical conditioning, extinction occurs when the conditioned stimulus is no longer connected or paired with the unconditioned stimulus. This results to the conditioned response to cease.
Answer: Even though fats are the most energy dense of the three energy yielding nutrients ,carbohydrates which provide four calories /gram are your body's first choice for energy especially immediate energy.
