In this case, there are two different pronunciations given for the word because, depending on its part of speech, the word has two distinctly different uses, which are pronounced differently. As you noticed from the dictionary entry, the word mobile can either be used as a noun or as an adjective. And depending how it is used, the pronunciation of the word changes.
Answer:
Bitten by a radioactive spider in the subway, Brooklyn teenager Miles Morales suddenly develops mysterious powers that transform him into the one and only Spider-Man. When he meets Peter Parker, he soon realizes that there are many others who share his special, high-flying talents
Explanation:
A literary artifact is used as a symbol that represents another idea.
Literary artifacts are aspects of a work of literature which provides the reader context for a situation dissimilar to their own experiences.
Literary artifacts are objects in a particular story that the writers implement with the purpose of helping their readers comprehend more about the story and embrace the events in the story.