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.
Anxiety can cause a variety of physical and mental symptoms. Seek the advice of your health care professional if these symptoms are affecting your daily life. Here are a few of the most common anxiety symptoms. Chest Pain. Chest pains are a frightening symptom of anxiety, and one that should not be taken lightly.