Which of the following is a possessive pronoun? her his hers all of these

What happens in puerto rico in 2012 to celebrate the anniversary of clemente’s 3000th hit?

What should you most consider when deciding whether an image is appropriate for your technical document?

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.