Generalized Anxiety Disorder (GAD), Specific phobias, Agoraphobia, Social Anxiety Disorder, Panic Disorder, Separation Anxiety Disorder. 
 
        
             
        
        
        
<u>Density</u> – The amount of matter in a given space. In scientific terms, density is the amount of mass in a unit of volume.
or
The amount of matter in a given amount of space is known as the <u>Density.</u>
hope it helps you
 
        
             
        
        
        
i cannot see then Answer:
Explanation: