A. The scientists who are scholars in the aspect of languages are known as linguists. What they do is to define language by studying diverse aspects of human language, including words (morphology), sounds (phonetics, phonology), sentences (syntax), and meaning (semantics).
B. Slips of the tongue in whatever forms or situations are errors which happen involuntarily in spontaneous or unplanned speech. Overall speech errors are classified for numerous reasons which includes: normal brain, normal retrieval cues, rule-governed (they follow conventional patterns, a type of error that keeps re-occurring)
The correct answer is D because many muslims like Mohammed Ali could not participate in the military due to their religion. If you liked this plz mark it brainliest (you get 3 extra points). Thanks:)