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:The transport system which is most affected by…Which of the following trait in humans is not a…Which of the following transport systems is most…The type of soil formed is affected by the following…The type of soil formed is affected by the following…