Which type of compound subject almost always takes a plural verb? singular compound subjects with or
singular compound subjects with nor
plural compound subjects with and
all of these

I’ve given a lot of thought to what one of them should be, and the answer seems clear.

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.

Which sentence is correct? a. she tried to paint the building; however, it rained. b. she tried to paint the building, however, it rained. c. she tried to paint the building; however it rained. d. none of the above