What is the difference between drug efficacy and effectiveness?

When studying heredity, what is the relationship of dna based and traits? super urgent !

Dr. gill instructs dr. lawrence to monitor a patient's liver function during a transplant surgery, and shelly will later supply the patient with a list of local support groups for organ-transplant patients. which best describes these individuals' roles? dr. gill is the trauma team leader, and shelly is a scribe. dr. lawrence is an anesthesiologist, and shelly is a nurse. dr. gill is an is a trauma team leader, and shelly is a social worker. dr. lawrence is a surgeon, and shelly is a psychologist.

Why is important to cover your hands and feet in cold weather? a. they are furthest from your heart. b. they are often last to receive blood flow. c. they can suffer from tissue damage in cold weather. d. all of the above