4. The client was riding in a car that hit a tree. The head hit the windshield (coup) and then the brain rebounded within the skull toward the opposite side (contrecoup).
What injury is this?

Acivilization exists for several hundred yeaars, developing its own language. such a civilization probably has been: a. farming corn b. suffering from a lack of contact with the outside world. c. isolated by mountains or some other physical barriers. d. starving from lack of trade.