Which is not a characteristic of a person with
cystic fibrosis?
A. chloride channel defect
B. digestive problems
C. lack of skin pigment
D. recurrent lung infections

Which is not a characteristic of a person with  cystic fibrosis?

Lack of pigment

Explanation:

cystic fibrosis affects cells in the digestive system and lungs as it has nothing to do with the skin pigment

the sun creates it's own light, also gives light and life to bunch of stuff like plants,animals,humans etc.photosyntesis is the process of making food which needs sun,water,nutrients etc.