Twenty-year-old christina lives in a small town. she has always been extremely shy, but lately, she has become intensely afraid that others are scrutinizing her. she avoids speaking in class, she no longer goes to parties, and she starts trembling whenever she is in a public place. christina seems to be suffering from
a: social anxiety disorder.
b. phobia.
c. generalized anxiety disorder.
d. posttraumatic stress disorder.

a) Social anxiety disorder

Explanation:

Social anxiety disorder is type of phobia in which a person is scared to face any rejection in social environment, negative review about them ,being judged etc.It is also known as social phobia.The person usually tends to feel embarrassment, fear and self consciousness.

According to the question, Christina is experiencing social anxiety disorder as she avoids parties, interaction in class , fearful and anxious in public place.

Other options are incorrect because phobia can be of different types. Generalized and post-traumatic anxiety order occurs due to general and after experiencing or witnessing traumatic incident respectively.Thus, the correct option is option(a).

given all the practice it takes to become proficient at writing up ncoer's, , awards, and conselings as well as learning how to become a well rounded   leader , and managing different types of people

radiant energy is a form of kinetic energy only.(a)