Recently, investigators have found evidence for an additional taste, ______, which accounts for our sensitivity to monosodium glutamate

Some scientists believe that humans are able to surpass chimps in language skills due primarily to humans' ability to ______ .

A) speak B) write C) give meaning to symbols D) use grammatical rules

In the ancient Greek view of communication, __________ referred to a speaker’s logical reasoning when delivering a message

a) ethos b) pathos c) logos d) eros