Which of the following is not a principle of good ethics in public speaking? A. demonstrating competence B. manipulating the audience only when necessary C. avoiding the fabrication of sources D. using evidence from reputable sources

B. Manipulating the audience only when necessary

Explanation:

Public speaking may be seen as the process of presenting to a particular group of people on a topic chosen in order to persuade, educate or enlighten them. As a public speaker, one have the responsibilities to be honest while making a presentation. So it is not right to manipulate your audience during presentation.

acid rain is the answer

no the answer is c only objects touching the earth's surface can be acted upon by an outside force