▶ Your Answer :
In the reading passage, there is ample
support of the author’s claim that will-o’ the wisp is caused by several
scientific reasons. However, the professor in the lecture gives several reasons
to contradict author’s points.
First,
the professor contends that gases from organic matter in swamp area are not responsible
for the phenomenon. Its gases are fainter and more greenish, which does not
match to the color of will-o’ the wisp. This casts doubt on the reading passage’s
claim that the light forms as a result of the chemical illumination as organic
matter is rotten in swampy region and those gases are mixed with the other gas
in the air, yielding faint glow.
Next,
the professor argues that firefly theory is not viable reason. Since their
glimmering abdomen, which is continuously blinking, represents small scale of
location, it is unlikely that the radiation from the fly is the causation of
the phenomenon. This refutes the reading passage’s suggestion that it is greatly
plausible that the will-o’ the wisp is originated from the insects, because the
flying insect that has a bright abdomen and its larvae are found frequently in the
area.
Finally,
the professor insists that the speculation that barn owls are suspect does not
make sense at all. This is because its feather is not entirely white and they
need straight light radiation to be reflected as glow. This counters the
reading passage’s assertion that barn owls, the nocturnal avian, are often identified
as the reason for will-o’ the wisp as their white plumage is bounced off even
in dim and silent surroundings.
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