As president of the student council for two years now, i think that it is time we try to establish a better system for spending our funds. what kind of appeal is the speaker using in this sentence?

Ineed the answer asap composition or ideas about "the day i ran away" with 500 words

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.

Based on his npr interview,"astrophysicist chroniclesbattle over pluto," why does dr. tyson believe that pluto is america's favorite planet?