Tess, a pr professional, was asked to conduct a training session for the interns at her organization. when she began the presentation, the audience was very active. after a while, tess started to use words and phrases that were commonly used in the pr industry. the audience lost interest in her presentation because they could not understand what she was trying to say. what did tess do to make the audience lose interest?

Words and phrases used in the PR industry.

Explanation:

Such words and phrases used in the PR industry that other people not in such industry is known as "jargon" .

She began to use jargons that only people in the PR industry would understand.

The audience is full of interns that presumably, they are not professionals in the PR industry ,so when she began using these words they got lost and lost interest.

So therefore, it was the words and phrases used in the PR industry called "jargons" that made the audience lose interests.