The world wide fund for nature sponsors an ad showing a person morphing into a fish with the caption, "stop climate change before it changes you." this is an example of which type of appeal?

This is an example of "fear appeal".

Fear appeals recommend to the purchaser that he or she can maintain a strategic distance from some negative understanding and effect through the buy and utilization of an item or service, an alteration in conduct, or a diminishment in the utilization of an item or benefit, or the reception of a thought - for this situation, the idea of the reality of environmental change.

Bob: coke is baby pandas.jim: what? how do you figure that coke is baby pandas? bob: because this book says so.jim: how do we know the book is correct? bob: because it says that coke is baby pandas.jim: how does that prove the book's accuracy? bob: because it's statement involving coke and baby pandas is correct, therefore it is accurate.jim: how do we know that it's correct? bob: because we have concluded that the book is accurate, and therefore the statement is correct.therefore, coke is baby pandas.

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