I need help with this multiple choice

Which is a direct benefit of prohibiting nicotine and tabacco use in schools?

What is the term for bone marrow tumor? osteoma myeloma osteocele osteomyoma

What are possible signs and symptoms of drug addiction? check all that apply. declining physical appearance and health failing to meet family, school, or work obligations needing less and less of a drug to get the same effect using drugs when there is no health benefit failing in attempts to stop using a drug stealing to get drugs