If a cat fights with a dog who wins and why?

Both could win, But mostly dogs win depending if the Cat is Sassy and Fearless

Explanation:

A cat defending its territory may be reluctant to leave and may face a dog down fearlessly.

Dogs in the wild see cats as prey, and cats see dogs as a threat.

Answer:Dog

Explanation:

A dog is at a higher advantage because it has a larger jaw which could easily be used to crush a cat during a fight