Secondary reinforcers are learned or conditioned. An example of a secondary reinforcer is grades or money. Secondary reinforcers are learned and are reinforced by the continual use of the reinforcer. Primary reinforcers are biological and include food, drink, and pleasurable activities.
The answer to your question is: True. The ancient egyptiants participated in sports such as wrestling, long jump, swimming, rowing, etc
Hi, would like to help you, but what do you mean? the prime meridan or?
