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.
Everyone has anxiety from time to time, but chronic anxiety can negatively impact your quality of life. It is a mental health disorder that can also have serious consequences for your physical health. Panic attacks cause troubling physical symptoms, including heart palpitations, chest pains, and lightheadedness. Often, people with anxiety disorder have a sense of impending doom.