Free points :) have a good day

All of the following contribute to effective communication in groups excepta.)critical thinking. b.)understanding of subject matter. c.)individualism. d.)interpersonal communication skills.

What modern language has been in use the longest?

Take a look at this online dictionary entry. language etymology middle english language, from old french language, from latin lingua ("tongue, speech, language”). noun 1. a form of communication using words either spoken or gestured with hands and structured with grammar, often with a writing system. 2. the ability to communicate using words. 3. nonverbal communication. 4. the vocabulary and usage in a particular field. 5. the words used in speech or a passage of text. 6. spoken or written words. which link would readers of this dictionary entry click if they wanted more information about the historical origins of the word "language”?