Read this excerpt from "heads up on sports safety."

your neck can also get hurt while playing football, so many helmet designers are using materials that prevent neck injuries. one common injury is whiplash, which is a sudden hit to the head that moves the neck very quickly. neck padding can , but materials that prevent the head from turning can decrease athletic performance. one alternative is to use a thermoplastic material that responds differently to different kinds of pressure. this material is soft when moved or pressed slowly but stiffens into a hard version of its shape when hit quickly. it has been used in bulletproof vests for at least a decade.

one problem and its solution presented in this article is

the possibility of whiplash and the use of thermoplastic material to prevent the neck from turning very quickly.
the efforts made by helmet designers to find new protective materials and the use of thermoplastic material to prevent neck injuries.
the fact that neck injuries can be hard to avoid and the occurrence of whiplash when the head moves quickly.
the probability of head injuries in sports and the use of bulletproof vests by athletes to stay safe.

Match the types of supporting evidence to the examples. fact anecdote expert opinion emotional appeal sarah's outcome illustrates what can happen when children are left alone too long. arrowright dr. malfoy says physical therapy is for a sprain. arrowright austin has a 21.9-minute average commute time. arrowright we pledge to never stop striving to pluck these vulnerable animals from the jaws of danger. arrowright

He leaned his head against the wall; his eyes were shut, his hands clasped in each other, and his body seemed to be sustained in an upright position merely by the cellar-door against which he rested his left shoulder. the lethargy into which he was sunk seemed scarcely interrupted by my feeling his hand and his forehead. his throbbing temples and burning skin indicated a fever . . there was only one circumstance that hindered me from forming an immediate determination in what manner this person should be treated. my family consisted of my wife and a young child. our servant-maid had been seized, three days before, by the reigning malady, and, at her own request, had been conveyed to the hospital. we ourselves enjoyed good health, and were hopeful of escaping with our lives. our measures for this end had been cautiously taken and carefully adhered to. they did not consist in avoiding the receptacles of infection, for my office required me to go daily into the midst of them; nor in filling the house with the exhalations of gunpowder, vinegar, or tar. they consisted in cleanliness, reasonable exercise, and wholesome diet. who is the story’s first-person narrator

Princess and i are driving to tulsa to ecxcept an award.