The correct option is C.
Primary reinforcer refers to the basic needs of an animal, such as food, water, shelter, etc. Secondary reinforcer, which is also called condition reinforcer refers to the condition in which a stimulus reinforces a behavior after it had been associated with a primary reinforcer.
In the question given above, the primary reiforcer is food.
When performing scientific research, one must always avoid using personal biases so that there are no errors or interruptions. Hope this helps you.
The following that is not considered as a form of Vitamin A from the give choices is "retinalogic." Retinal is a molecule important for our vision. Retinoic acid regulates the functions of Vitamin A for muscle development. Lastly, retinol is used as a component in dietary supplements.
It was called the Theory of Inheritance of Acquired Characteristics
<span>The haversian systems are packed tightly together to form what appears to be a solid mass.
Hope this helps please award brainly :)
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