Question

"every student in this room is affected by the pollutants hidden in these walls" stated in a speech introduction is

Answer 1

I believe the answer is: a statement of significance

In speech, a statement of significance refers to directly conveying the important part of the message at the beginning of the speech. This technique is used by speakers to obtain fast initial attention from the audiences. This is commonly done in a short duration speech

Answer 2

"Every student in this room is affected by the pollutants hidden in these walls" stated in a speech introduction is a statement of significance.