Which of the following traits in humans can be affected by environmental factors? by Sunday | May 16 | Biology WAEC | 0 comments A. skin colour B. eye colour C. baldness D. tongue-rolling Correct Answer: Option A A. skin colour Users Also Read These:Which of these organs can be considered vestigial in…Which of the following transport systems is most…The transport system which is most affected by…Which of the following trait in humans is not a…The ionization energy is affected by the following…