Answer:
B. To explain an origin of the term
Hopefully it will be helpful
I would say it’s the first or second. I’m leaning towards the second. Mostly because I don’t know key ideas from this story.
Charles Darwin’s circumnavigation as ship’s naturalist on the second of three surveying voyages by H.M.S. Beagle.Darwin mediates scientific observation through the language of aesthetics which seeks to understand the convergence of disparate scales of geological and human history.