"The reality," [Lester Brown, president of the Washington- based Earth Policy Institute) says, "is that the world is only
one poor harvest away from chaos. We are so close to the
edge that politically destabilising food prices could come
at any time."
How does the author use pathos in the passage?
A. By revealing the bias that the author holds
B. By appealing to the emotions of the reader
C. By quoting a public figure to establish credibility
D. By providing a logical explanation of events

C. By quoting a public figure to establish credibility

Explanation:

Ethos is exemplified as the literary technique employed to persuade the audience to believe in the claim or argument proposed by the author or speaker by appealing to their ethics or moral conduct. It is described as one of the three 'modes of persuasion' as proposed by Aristotle that is based on the speaker's character or credibility, the other two are logos (appeal to logic) and pathos (appeal to emotion).

As per the question, in the given passage the author Geoffrey Lean employs ethos 'by quoting a public figure to establish credibility' as he invokes authority that aids to establish the credibility of his claim and persuade the readers ethically. Thus, option C is the correct answer.

for me i cant do homework without music, so, i guess i would say faster with it, than without it. for me at least.

ccd puts the honeybee populations and crop health at risk.

the above detail from paragraph 2 supports the inference about honeybee.