ATP is one molecule produced by the mitochondria and it is important because it’s using it energy to store food.
        
             
        
        
        
I'll try to explain, because I've had tubes before.  In fact, I still have them.
For me, tubes were put in because of too many ear infections, and excessive water in my ear.  The tube helped drain the water out.  You can see A picture I have in a file.  The tubes can be put I believe in the ear drum.  They're put there to help drain water that has trouble getting out on its own.
 
        
        
        
Photosynthesis takes place in the chloroplast of the plant cell.
        
                    
             
        
        
        
Answer:
- Neurons that receive information from our sensory organs (e.g. eye, skin) and transmit this input to the central nervous system are called afferent neurons.
-  Neurons that send impulses from the central nervous system to your limbs and organs are called efferent neurons.
Explanation:
<h2>Hope this helps you !! </h2>
 
        
             
        
        
        
 Answer: changed by molecular oxygen
Explanation:
Biologically induced molecular oxygen (dioxygen, O2) started to accumulate in Earth's atmosphere and changed Earth's atmosphere from a weakly reducing atmosphere to an oxidizing atmosphere.