Well,
"Chem" is usually capitalized. But I believe it is the short form of the subject, Chemistry.
Answer:
D) Businesses can serve wants and needs
Explanation:
✔️I need the answer too plz someone answer
So if you think about the connotations of the words, veils conceal things, sifting implies a kind of search, so I'd say the answer is C. a ghostly, mysterious mood.