How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

B.

Explanation:

Can you add the passage? It would be really helpful

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

the question isn't complete here so i can't right an answer '_'