The purpose of an expository speech is to decribe, clarify, explain or define an object, idea, or concept, or social institution, and progress.
Hope helps----Aparri :)
I think it is Serious. He needs to be serious about getting his School to accept uniforms or reject them. If he was humorous the School wouldn't take him seriously, if he was demanding the school would probably not want to be ordered to do something by one of their students. And if he was pleading it may work but over all him being serious about the topic would lead him to success.
For new developments, the more we explore the more progressions made for the future and next generations to come
Answer:the main idea of this is that science is only things that scientists see and they don´t what is in people´s minds and only believe in what they see.
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