Which sentence uses correct capitalization?

a. do you know if the restaurant tony's pizzeria delivers to our neighborhood?

b. the group known as the rough riders fought in cuba during the spanish-american war.

c. if you follow the birds in the late fall, you'll be heading south.

d. many jobs have returned to the factories within the major cities in the east.

Why does the author's description of the mercury boiler—"the mercury, when vaporized, going into a mercury turbine and then into a condenser, remaining hot enough to generate steam in a steam boiler"—intentionally incorporate such highly technical language? using technical language establishes the expertise of the writer and convey the complex nature of the process being described. using technical language allows the writer to subtly poke fun at those who seek to make basic processes seem overly complicated. using technical language encourages readers to develop deeper and more meaningful personal connections to the information. using technical language lets the writer make clear to readers that the article is intended for readers who are themselves experts on electricity.