The Mysterious World of Underwater Caves This speech, preformed by Jill Heinerth, is spoken with enough confidence and credability to be relevant. Her speech is about her experience with underwater caves, what role they have in her life, and a little bit of information about water caves and exotic sea animals. She discusses a very interesting topic with informative and intriquing facts. So is Jill Heinerth credible? Jills confidence is overflowing and her experience in the topic is quite enough to have credability. Jill uses creative analogies to entrance her audience and give a very real visualization of her experiences. A presentation of her endevores posted for her audience, shows credability as well. From the beginning to the
