Answer:they monitor it through a modern system machine, it's important because we need to know the population we have. 
Explanation: which means are we increasing it reducing in our population 
 
        
             
        
        
        
Answer:
A solid rock becomes soil when it breaks down and combines with water, air, and organic matter. The correct answer would be #3
Explanation:
 
        
                    
             
        
        
        
Pretty sure its "<span>Breaks down glucose into two pyruvate molecules"
I have no Idea what FAD is and that one doesnt sound correct
It doesnt send it to the etc as far as I know
and ADP to ATP doesnt happen in glycolysis as far as I know
Glycolysis is one of my least favorite parts of Bio so Im not entirely sure. 
</span>