False. It is necessary to cite all the sources used regardless if they were quoted verbatim, that is, "word for word" or if the information was paraphrased. Citing sources not only aids readers and future research and acknowledges the authors of ideas and contributions to the subject-matter of the paper, but also is done to avoid plagiarism.
Formal language I believe that is the right language
You did not put any choices
3. The use of simple diction instead of lofty language
A because private must be built
