Instead of submitting a copy of your teaching certificate with your application, you may submit verification that you are matriculated in a certification program (e.g., letter of acceptance, letter from advisor).
Expository writing is writing that seeks to explain, illuminate or 'expose' (which is where the word 'expository' comes from). This type of writing can include essays, newspaper and magazine articles, instruction manuals, textbooks, encyclopedia articles and other forms of writing, so long as they seek to explain.
There are 5 main types of expository essays: 1  Descriptive Essay: This is an essay in which the writer is asked to describe something. This could be a person, place, experience, situation, etc. Descriptive Essays are unique in the sense that you have a lot of freedom when it comes to the content.