Answer:
The answer is C. Organ systems please brainly me!
Explanation:
 
        
                    
             
        
        
        
Answer:
6. In order from left to right the balanced coeficcients are, 
6, 1, 2, 3
8. 
9.  In order from left to right the balanced coeficcients are,
1, 11, 7, 8
 
        
             
        
        
        
Answer:
<h2>8.5 g/cm³</h2>
Explanation:
The density of a substance can be found by using the formula

From the question we have

We have the final answer as
<h3>8.5 g/cm³</h3>
Hope this helps you
 
        
             
        
        
        
Atom is a neutral element found in nature without any charge. In other words, it has same number of Protons and electrons, whereas ion is a charged thing, either positive or negative. We can find their charge by:
Charge = Number of Protons - Number of Electrons
Hope this helps!