Now a team of Count-Your-Steps organizers made up of representatives of the middle schools, has established the program's goal: to increase awareness of the benefits of walking.

In this sentence, how is organizers made up of representatives of the middle schools, has established
correctly written?

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.