Presentation aids are visual methods of clarifying ideas and illustrating the message. So, your answer would be A.
Hope this helps!
In order to answer the question, I will need to research cloning. More specifically what does it really mean to clone something, is it as simple as taking a blood sample? I would want to research the scientific benefits of having a clone. Also, are there any legal issues. If my clone commits a crime am I liable for it? The sources that would contain much of my information would be Scientific journals. I would be able to research the question and address the answer within a reasonable timeframe.
Answer:
It's either a or b but im gonna go with A.
Explanation: