Pls help, will give BRAINLIST

What did mark twain contribute to the history of the novel? select all that apply.

Which from of the moderifier best completes the sentence of the 10 students? malcolm did on the quiz. best more better bestest better

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.