Infertility I believe is the word you’re looking for?
Answer:
Otorhinolaryngology, is a surgical subspecialty within medicine that deals with the surgical and medical management of conditions of the head and neck. Doctors who specialize in this area are called otorhinolaryngologists, otolaryngologists, head and neck surgeons, or ENT surgeons or physicians.
It entail's the level of knowledge you have.
Answer:
They both get rid of waste
Explanation:
Yes rapid changes in society ranks for different people