Just as in other areas of anthropology, the study of language involves investigating what is or isn't shared across human populations and why these differences or similarities exist. The linguist Noam Chomsky has argued that the human brain contains a limited set of rules for organizing language, so that all languages have a common structural basis. He calls this set of rules:.

Universal grammar

Explanation: The concept or theory of universal grammar credited to Noam Chomsky simply argues that; The human brain is composed or consists of naturally structural set of rules upon which an individual develops his/her language skills, irrespective of the individual's language. It explains that there is a basis upon which any individual develops his language skill and this basis which is a structured set of skills is innate. A close instance is a child's ability to learn it's native language at such a tender age, supporting the existence of a developed genetic structure suitable for language development.

yes, since there is a positive and a negetive if the positive and negitive wasn't there wouldn't a flow electricity in it.