Nathan does not easily show emotions. during his speech, his volume and rate of speech do not change; he speaks slowly and evenly never raising his voice to express excitement or any other emotion. he pauses at the beginning, at transitions, and at the end. the speaker’s rate of speech will most likely have which of the following effects on the audience?

The speaker's rate of speech will most likely have the following effect on the audience - they will lose interest and zone out.
If the speaker has a monotonous voice and is quite boring, than no one is going to keep on listening to him, even though he may be telling some interesting things. In order to be a good speaker, you need to show emotions and your passion towards the topic, so as to interest the listeners as well.