Answer: A
Explanation:
Gravity is when you drop something, but in this case you aren’t dropping the ball. It definitely isn’t chemistry because you aren’t changing molecules or anything so that only leaves A which is the most reasonable answer anyways.
 
        
                    
             
        
        
        
<span>The research shows that the use of antidepressant will be beneficial in a patient with major depression and </span><span>obsessive-compulsive disorder</span>. 
<span>
It should be clear that antidepressant works for depression, but some of them are used to treat OCD too. it has no effect on the antisocial, dissociative or schizophrenic patient though. </span>The SSRI drugs that could be used for OCD would be sertraline, fluoxetine, fluvoxamine, and p<span>aroxetine. </span><span>
</span>
        
             
        
        
        
you didn't list choice but i'm guessing chloroplasts
 
        
                    
             
        
        
        
Answer:
Option d. an incense stick 
Explanation:
because it produces smoke and it's smell attracts others.
 
        
                    
             
        
        
        
A fossil will most likely be found in a sedimentary rock.