Which is a true statement about a direct object?
a. it always begins a prepositional phrase.
b. it is a noun or pronoun before an action verb.
c. it is found by asking "whom? " or "what? " after an action verb.
d. it does not receive the action in a sentence.

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.