Answer:
The respiratory system is made up of the organs involved in the interchanges of gases. It consists of the:
Nose
Mouth
Throat (pharynx)
Voice box (larynx)
Windpipe (trachea)
Airways (bronchi)
Lungs
 
        
             
        
        
        
All of the chemical reactions in an organism required to sustain life
        
                    
             
        
        
        
Type of energy that can be sensed by the ears is sound energy.
A.
        
                    
             
        
        
        
Answer: Prepare to deliver the baby on-scene.
Explanation:
Birth crowning is a condition occurs during the period of gestation. In this baby's head starts emerging after each contraction from the birth canal after the second stage of labor. In this process the uterine muscle relaxes and tightens to help the newborn to come out of the birth canal. 
According to the given condition, a preparation of delivery of the baby on the scene is preferred to avoid the negligence and delay. To protect the life of mother and child early action is required. 
 
        
             
        
        
        
Answer:
c the comet turns into a shooting star and is gone forever