B. So that the laws reduce pollution by a significant amount
If you're going to ban something from happening so that you reduce pollution, you would want to consult with a specialist in that area, so you would go to a scientist, who would be able to tell you what to do to lower the pollution by a significant amount by not only telling them what to make stop happening, but what to add or remove in the water.
Its fibers are longer than they are wide, and they are striated, like skeletal muscle fibers. But, unlike skeletal muscle fibers, cardiac muscle fibers have distinct ends to them, called intercalated discs.