Which sentence best states a central idea of this text? a despite cultural differences, shared humanity brings people together. b sharing food around a common table is essential for cultural understanding. c when two groups are different, coming together worsens those differences. d giving for a good harvest is a common feature in many cultures.

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.