The iris of the human eye can have many colors including brown, blue, green and hazel. how does polygenic inheritance explain why many iris colors are possible?

a. decomposes use carbon from dead organisms as fuel for cellular respiration, returning carbon dioxide back into the atmosphere.

the elements of art are the visual tools that the artist uses to create a composition. these are line, shape, color, value, form, texture, and space.

the principles of art and design are balance, contrast, emphasis, movement, pattern, rhythm, and unity/variety.

yes, because even though a theory has a  lot of evidence to support it, it is not always true