C. Energy can be neither created nor destroyed
The best answer that is being described above is the RODS. Along with cones, Rods are one of the photo<span>receptor cells in the retina of the </span>eye. Unlike the cones that help with color vision, the rods focuses more on the gray scale, the reason why we can see everything in a gray scale at night or in a dark environment. Hope this helps.
Any process that exerts a stress on a rock that eventually causes it to break into smaller fragments is a type of mechanical weathering.
