Answer:
1.Collect a thin slice of your sample and place it on a clean, dry slide 2.Place one drop of water over your sample 3. Place the coverslip at a 45-degree angle with one edge touching the water and let go 4. Your slide is ready to be viewed.
Explanation:
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The answer would be D. Because the mitochondria has the energy ATP and is synthesized during cellular respiration.
        
             
        
        
        
Answer;
Medulla.
When you run to catch a ball, your movements are planned and controlled from the Medulla. 
Explanation; 
The Medulla directly controls certain autonomic (involuntary) responses, such as heart rate, breathing, blood vessel dilation, swallowing, sneezing and vomiting. 
It is located in the brain stem, anterior to the cerebellum. 
 
        
                    
             
        
        
        
Answer:
a person or thing that prevents incompatible or antagonistic people or things from coming into contact with or harming each other:
Explanation: