The correct answer would be 1,2,3,6. Interacting properly with the multimedia content is important in order to use to full potential otherwise it can distract your audience and take the focus of your topic. Standing up straight and using appropriate is important in order to look confident and not to antagonize the audience by being too loud or too quiet. Also be mindful of the pace, you don't want to have to rush it.
Answer:
the verb is moves, it is a action verb .
The correct answer is -a root word, where -un is a prefix. Suffix is used after the stem of a word, and prefix is used before the stem. They both belong to the category of affixes. Some other examples might be ‘uncertain’ , ‘unrealistic’ , ‘unfit’ and so on.
I'm pretty sure the answer is A, the others don't fit very well.