Answer:
A) genetic influences and chemical imbalances in the brain 
Explanation:
An anxiety disorder is a psychiatric disorder where the individual experiences an excessive and irrational worry in everyday situations. Generalized anxiety disorder, phobias, panic attacks, etc are examples of anxiety disorders.
<em>Anxiety does not have a specific cause, it can be the result of different factors like changes in the brain's chemistry, environmental stress or even genetics.</em>
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Answer:
occurring, awarded, or appearing after the death of the originator
Explanation:
 
        
                    
             
        
        
        
4: 
Independent Variable: Photosynthesis
Dependent Variable: Starch
Starch is a product of photosynthesis. Without photosynthesis, starch cannot form. Therefore starch is dependent on photosynthesis.
5:
Independent Variable: Temperature
Dependent Variable: Animal Metabolism
Animal metabolism will only be affected if the temperature of the room changes. Therefore animal metabolism is dependent on temperature.
9:
Independent Variable: Rainfall
Dependent Variable: Thickness of growth rings
The thickness of the tree's growth rings are determined by the amount of rainfall. Therefore the thickness of growth rings are dependent on rainfall.
        
             
        
        
        
Answer:
the answer is c I promise 
Explanation:
I just took the test
 
        
             
        
        
        
When it nears the sun, due to the power of solar wind