Obsessive–compulsive disorder (OCD) is amental disorder where people feel the need to check things repeatedly, perform certain routines repeatedly (called "rituals"), or havecertain thoughts repeatedly. People are unable to control either the thoughts or the activities for more than a short period of time.
A put down. This would mean insulting someone
Alphabet, and then words, and then sentences, and then picture books, and then chapter books.
Acute appendicitis --> surgical emergency to prevent life-threatening peritonitis if rupture occurs
Answer:
option B is the correct answer pls follow me and make my answer as brainlist
