Closely read the following sample dictionary entry for the word “plethora.” “plethora (pleth’ ər ə) n. 1. overabundance 2. archaic. a medical condition resulting from an increase of the quantity of blood in the body” according to this entry, when would the second definition of “plethora” be most likely to be used? [l.11-12.1.b] a. in casual language b. in formal academic writing c. in a newspaper d. in the past