Swimming to success. the article says all of the following except _? PLS HELP THIS IS DUE RIGHT NOW!!!??

Which of the following group roles has the responsibility of keeping the discussion on schedule?

In the play "sorry wrong number"which part of the story can you find heightened tension and suspense?

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.