The answer is C. Citation is the use of someone else's work while still giving proper credit where credit is due.
It'd have to be a<em> bat.</em>
Bat's are blind and use sonar or echolocation to "see" where they are going. Day and night makes no difference in their abilities.
Have an amazing day :))
I would say that 'disembodiment' is more accurate.
Is you mean by that In a hydraulic press, the pistons a and b have a circular pedestal.