The best action for Sabrina to take to improve her speaking skills in the future is A. to take notes on the topic and choose a few ideas to share.
Next time Sabrina should not only research the topic but she should also keep notes so that she doesn't forget all the information she finds. Also, although she could take notes about many different points on the topic she should focus on some of these ideas to share and she should choose these ideas beforehand. Thus, during the discussion she won't be lost as she won't be reading all of her notes during it in order to find which information she wants to share with the group.
That is a chemical change if your talking about gases
Considering you haven't given the actual excerpts, some help would be that direct characterization is as simple as saying "The man is wearing a broad-brimmed hat". It is literally "direct", straight to the point. Hope this helps.
Answer:

" Whoever said money can't solve your problems Must not have had enough money to solve 'em"
<em><u>-AG</u></em>
<em><u>It's</u></em><em><u> </u></em><em><u>True </u></em><em><u>that </u></em><em><u>Money</u></em><em><u> </u></em><em><u>can't</u></em><em><u> </u></em><em><u>buy </u></em><em><u>Love </u></em><em><u>because</u></em><em><u> </u></em><em><u>Love </u></em><em><u>ain't</u></em><em><u> </u></em><em><u>something</u></em><em><u> </u></em><em><u>that </u></em><em><u>can </u></em><em><u>be</u></em><em><u> </u></em><em><u>gained</u></em><em><u> by</u></em><em><u> </u></em><em><u>some </u></em><em><u>Dollars.</u></em>
<em><u>but</u></em><em><u> </u></em><em><u>it's</u></em><em><u> </u></em><em><u>a </u></em><em><u>feeling</u></em><em><u> </u></em><em><u>something</u></em><em><u> </u></em><em><u>ethereal</u></em><em><u> </u></em><em><u>which</u></em><em><u> </u></em><em><u>is </u></em><em><u>more</u></em><em><u> </u></em><em><u>worthy</u></em><em><u> </u></em><em><u>than </u></em><em><u>anything</u></em><em><u>.</u></em>
<em><u>~ʆᵒŕ∂ཇꜱꜹⱽẻⱮë</u></em>
C. concerned.
I think Benvolio is concerned because when hes speaking to Montague he says he had seen how depressed Romeo was but he didn't want to go after him because he wanted to be alone but he reassured Montague that he would go and check on romeo if he was OK....<span />