Which theme is evident in this excerpt from robert frost's "mending wall"?

Match each stanza structure to the correct term. a stanza of two lines quatrain a stanza of four lines octave a stanza of six lines couplet a stanza of eight lines sestet arrowboth arrowboth arrowboth arrowboth

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.

How do we change our profile picture?