Your answer would be 58.12g/mol ;)
Gray matter hope this helps!
Wait is that suppose to be a question??!!
I’m pretty sure it would be D.
Depends on the cut if its like a pimple You could use chap stick but if its a deep cut you should probably get it checked out/ use a lot of pressure and hold a clean rag over the cut. if its a little scrape clean it with alcohol and put some napkin over it and then a bandaid