Which sentence uses a correct possessive noun? the tree' trunks are skinny. the trees's trunks are skinny. the trees trunks are skinny. the trees' trunks are skinny. the tree's trunks are skinny.

The sentence that uses a correct possessive noun is ‘The trees' trunks are skinny.’ The ‘trees’ represent authority or is in possession of its ‘trunk’. Also, the apostrophe is added after ‘s’ because the ‘trees’ already has an ‘s’ in it. 

compare & contrast informative essay/speech

when speaking or writing for the sole purpose of providing information in order to give audience members a good basis for making a decision, you would present an informative speech or essay.   because you wouldn’t want to be persuading the audience by arguing for one type of exercise over the other, you wouldn’t choose a persuasive/argumentative technique.   to fairly, and without bias, present information about the pros and cons of each type exercise, a compare/contrast, informative speech/essay would be the best bet.

the answer would be c   i believe thats the most reasonable answer