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.
Emotional Symptoms of Anxiety and Anxiety Attacks. If you have an anxiety disorder, the strongest emotional symptoms that you may experience are ones related to feelings of fear. You may constantly feel like danger is near, and you may feel like you have little control over your environment.hort-Term and Long-Term Effects of Anxiety. The effects of anxiety disorders can also vary. Some of the short-term effects you may experience include an inability to complete everyday tasks.