On average , Americans drink three cups of coffee each day. Americans spend about $2.00 for each cup of coffee. Most coffee drinkers drink coffee with breakfast, though some coffee drinkers drink coffee between meals, as well. Which option uses referents to make it most coherent?

Which sentence is punctuated correctly?  a.under a microscope; the organisms look a bit like ruffled tennis balls they have armored plates that fit together to make a round shape. b.when the water is disturbed; the organisms respond by glowing this makes swimmers look like floating beams of blue light. c.there is a bay in puerto rico that seems to light up at night; the light comes from tiny organisms in the water. d.the luminescence attracts visitors from around the world people are curious to see; this beautiful otherworldly sight.