The answer is C, they lower the activation energy. The lower the activation energy, the faster the reaction rate.
<span>The jaw-thrust maneuver is used to open the airway of patients with suspected cervical spine injuries.
In cervical spine injuries, a person may not be able to breathe on his or her own, cough or control bladder movements. Most fatal injuries are occurred in upper cervical levels. jaw-thrust maneuver is a first aid and medical procedure used in this condition.</span>
They must be separated to the point that their genetic makeup changes so that they can no longer breed.