It’s the first choice because the C at the end does not pair with anything, it was an extra pair that was made
Dominate and no know preditors <span />
I think the answer is Traction
Afferent nerve fibers carry signals from the somatic receptors to the posterior horn of the spinal cord or to the brainstem. So i beleive it is 4 but not too sure. Hope this helped a bit (: