Answer:
Destructive interference happens when one wave is oscillating the opposite way as the other one, so it compensates.
Explanation:
The correct answer is "p<span>ick up the gun by the edge of the grip and carefully remove it."
Before assessing the airway, breathing, and the circulation of the trauma patient; one should first survey the scene before performing basic life support. The gun is a potential harm in doing first aid for this patient as the patient's reflexes, involuntary hand movements, or spasms can accidentally pull the trigger and hurt more people. </span>
Oxygen is needed for the heart to oxygenate blood.
