B the most well known chemicals inside cigarettes would includen carbon monoxide and tar.
Daily iron supplementation is recommended as a public health intervention in school-age children aged 60 months (i.e. 5 years old) and older, living in settings where the prevalence of anaemia in infants and young children is 40% or higher, for preventing iron deficiency and anaemia
This is all true, these things effect the health of ones hair, skin, and nails
i would say c, because many people are in need for new livers, kidneys, etc, and it does save a lot of lives per year
