Cavers use special dyes to trace the flow of what?

Which mosquito-borne fever takes its name from the jaundice it causes? Cavatica is the last name of the title character of which 1952 E.B. White novel? What does the Latin phrase "caveat emptor" mean? Johnny Hart created which comic strip about cavemen, first published in 1958? In CB radio slang, made popular by C.W. McCall's "Convoy," which code means "OK"? CBS reran which 1970–71 police series after its star, Burt Reynolds, made it big in the movies? Which 1969 Creedence Clearwater Revival hit about a riverboat was later a smash for Ike & Tina Turner? Who wrote and sang lead on Creedence Clearwater Revival's 1969 hit "Proud Mary"?