Someone please help me! I am so confused! Is the answer 42?

Based on the book, "the boy in the striped pajamas."describe how these circumstances would affect a person’s identity development (crisis, commitment, diffusion, foreclosure, moratorium, achievement.)

Use a pronoun to refer to two or more singular antecedents joined by or or not

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.