For how long does the blimp's envelope remain inflated?

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.

Which is the best contrast between the heracles myth and christopher reeve's life story? a. the mythical heracles and christopher both endured many trials calling on their reserves of strength and character. b. christopher reeve was injured on a horse, but heracles fought a bear. c. heracles' journey into the dark world of the afterlife pales beside christopher reeve's real-life struggle against grief and depression. d. heracles wasn't real but christopher reeve was.

Which piece of evidence support the viewpoint expressed in this passage