B. Hydrogen bonds make the positive sides of water molecules stick to each other
Traumatic brain injury is usually caused by a blow or other traumatic injury to the head or body. The degree of damage can depend on several factors, including the nature of the injury and the force of impact. Common events causing traumatic brain injury include the following: Falls.
I think c is the answer not sure though
They use specialized cell organelles to maintain homeostasis because they don't have an entire organism that does it, so they have to do everything all by themselves.
