1. A> Revise
2. A> The auditorium at a university
3. B> Why you are presenting the results
4. B> Your step-by-step procedure
5. A> Your hypothesis
6. A> Share the result of your experiment
7. C> How you are presenting the information
8. C> To explain about a new discovery
9. A> Collect as mush data as possible.
Hope this helps.