In the final paragraph how does roosevelt attempt to persuade his audience

The correct declare this statement would be the possibility Like “By appealing to the audience's good taste "

Explanation:

It supported the given passage speech higher than by Roosevelt advising journalists to write down honestly and not continually expose, Roosevelt tries to steer his audience within the final paragraph by appealing to the audience's nobility.

your answer is c) experiments with water vapor showed that elements combine in specific proportions.