True or false: niacin is a b-complex vitamin.

How do you do this? i’ve marked the correct answer but i can’t seem to calculate

Maria is late for school sometimes because she is not a morning person. if maria is at school from 8: 00 a.m. to 3: 00 p.m. every day and volunteers at an animal shelter on the weekends, when would be the best time for her to study? a. before school b. right after school c. during the weekend d. before she goes to bed

How should parents respond to an adopted child's interest in his or her biological parents?