Please help me, this thing is so comfusing

Which of the following statements is true about body composition? a. body composition is the percentage of fat to lean body mass. b. body composition is a measure of one's body weight. c. body composition is a measure of one's essential body fat. d. body composition is not a good indicator of overall health. select the best answer from the choices provided. a

Which of the following human diseases is caused by a virus that requires reverse transcriptase to transcribe its genome inside the host cell? a) herpesb) aidsc) smallpoxd) influenza

Which is an example of a drug–nutrient interaction? a.bacterial overgrowth b. changes in absorption c. decreased sense of smell d. poor appetite e. reduced acuity of taste sensation