Question

\yellow journalism\ during the late 19th century was marked by
a a decrease in readership.
b over - reliance on facts and evidence
c a decline of the poputarity of radio.
d sensational headlines and questionable facts.

Explanation:

Yellow Journalism was known for using sensational headlines and often presenting questionable facts to attract readers. It did not have a decrease in readership (A is wrong). It was not about over - reliance on facts (B is wrong). Radio was not a major medium in the late 19th century (C is wrong).

Answer:

D. sensational headlines and questionable facts.