A.whales are mammals not fish APEX
It could be to explain something, or maybe to express something, or just to get their story out into the open.
Often times advertisers use things that children can relate to to get their attention and make them want things. Like often times food companies partner with production companies so they can put cartoon characters on their products. Or they make it seem like you are "cool" if you buy or have what they are advertising or you aren't "cool" if you don't.
Hope this helps a little.
Answer:
doctors are supposed to do their responsibility to human life
C?? not sure what the question marks are
