Sugar is uncountable; therefore, the sentence has a singular verb. Marbles are countable; therefore, the sentence has a plural verb. 3. Compound subjects joined by and are always plural. 4. With compound subjects joined by or/nor, the verb agrees with the subject nearer to it.
Panic disorder causes panic attacks spontaneous feelings of anxiety, terror, or impending doom. Physical symptoms include heart palpitations, chest pain, and shortness of breath. These attacks may be repeated at any time. People with any type of anxiety disorder may have panic attacks.
If you are unsure what an Anxiety attack is, it is when you feel so stressed that the body goes into a form of shock where it can manifest weird thoughts, hard to relax feelings, shakiness, loss of speech, loss of feeling sometimes and many more. It really is a horrible condition.