The most appropriate answer is D ! as other three are not related to cilia any way !
so D
if you want more info on this, comment !
D. The consumption of legal and illegal drugs
I guess you could say eating disorders are common. In my opinion it just depends on the location one is in. For example, African villages don't get much food, therefore it's common over there. That being said, some long-term consequences may be hurting your overall health. Hope this helped!
One well-known form of communication in media technology nowadays is social media. It helps us gain more information in terms of various topics, and this is also known to be a medium that we can use in order to contact people via chatting or even calling nowadays.
