Just like many people do on here, you have to provide the text before someone can accurately answer your question.
Answer:
The current population of earth is 7.9 billion if that is what you were asking.
<span>Accidental injury means an injury that results accidentally or from any external, violent and anticipated causes. For instance, an unintentional bodily injury resulting from any external force and against the normal course of events can be categorized as an <span>accidental injury</span></span>
If he sprained his ankle and you know he's n pain, then you should see the doctor or make an appointment. If the injury is severe then take him or her to the emergency room.
D because trachea is the tube, bronchi is what splits into your lungs, bronchioles are what look like branches of the bronchi, and alveoli are the little air bags at the bottom of the smallest bronchioles.
