Some researchers suggest that primates are able to do all of the following except a. master rules of syntax b. learn sign language c. create simple sentences d. comprehend spoken words

The answer is A: master rules of syntax

Explanation: Primates refer to group of mammals that have large brain when compared with their body weight. These groups of mammals include monkeys, lemur, apes, tarsiers, humans and so on. These mammals are good in climbing as a result of their strong arms and legs. Thus, as a result of their large brain, primates can easily learn sign language, create simple sentences, and comprehend spoken words

Master rules of syntax are set of rules that govern how sentences are structured.

answer; /// i believe that the correct answer is (c); ///when the lungs expand, they fill with air from the atmosphere;