i am going to take a stab at this
They require energy to live
 
        
             
        
        
        
Mainly sons born from mothers to color blind parent(s) would be a trend.
Color blindness usually affects men more than women because the affected X chromosome from their mom is not compensated for with the Y chromosome given to them by their dad. Girls are usually unaffected because the 2 X chromosomes they have overpower the defective gene.
Hope that helps!
        
             
        
        
        
The answer is TRUE
Here is what google says: In the process of fermentation the NADH + H+ from glycolysis will be recycled back to NAD+ so that glycolysis can continue.
 
        
             
        
        
        
Answer:
There are 8 electrons in the outer ring, and has to react with 8 or fewer electrons to form a stable molecule. 
Explanation:
The outer-most orbits of  silicon contains a maximum of eight (8) electrons. It requires 8 of fewer electrons to form a stable molecule.