Theory that primitive man made involuntary vocal noises while performing heavy work has been called the____
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____ is usually defined as the science of language or, alternatively, as the scientific study of language.
____ investigates the interrelation of language and mind, in processing and producing utterances and in language acquisition for example.
Modern linguistics is ____in the sense that the linguist tries to discover what language is rather than lay down some rules for people to observe.
Linguists have to observe and collect linguistic____before they can do anything else.