Read this sentence from the article: would you go to the ends of the earth to see a bird? what is the function of this line as the first sentence of the article? a. it illustrates the goal of most birders. b, it illustrates an extreme view of birding. c. it introduces the idea that birding might be silly. d. it introduces the topic and involves the reader in the activity.

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.