Answer:
C. the study of skin and skin diseases
Explanation:
The root "derma" means "skin", and the suffix "ology" means "the study of". Therefore, the only answer option that relates to the study of skin is option C, the study of skin and skin diseases.I hope this helps!! Have a lovely day!!! :)
*updated*
It's the last one.
Because it is modyfying and making bordem sound better with more words.
The cougar might be called an antisocial animal, because it is a solitary diner.