When Dalton proposed the first atomic model, he was thinking that all atoms are alike. The correct answer is A. 
        
                    
             
        
        
        
Answer:
attatch the images of the Petri dishes so we can further help in understanding this question 
 
        
             
        
        
        
So they respond by releasing hormones that stimulate the body to retain sodium and water. Blood vessels fill with additional fluid, and blood pressure goes up. The narrowing in one or both renal arteries is most often caused by atherosclerosis, or hardening of the arteries.
        
             
        
        
        
Answer:
dependent
Explanation:
You could have many controlled variables, but the acidity is not one of them.
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