Answer the following question: Fact 1: Head hair is especially important in preventing heat loss from the body. Fact 2: Bighorns have hollow hair that traps body heat. Given the two facts above, what do bighorns' hollow hairs do?

Select from the following. a). It helps them survive b). Plant growth is reduced c). prevent heat loss d). share properties e). protect them f). allow growth g). Decrease bodily water h). refract or absorb.
Answer:
c).