a blog supporting cell phones for students in school -> to argue
a blog sharing a video for a band’s latest song -> to advertise
a blog listing the daily specials and discounts for a restaurant -> to inform
a blog instructing readers how to create various hairstyles -> to entertain
C. The platypus, which is a mammal, has a bill like a duck and feet like an otter.
"which is a mammal" is an adjective clause. An adjective clause is used to describe a noun and usually begins with one of these words: that, when, where, who, whom, whose, which, and why. In this sentence, the adjective clause begins with "which" and describes the platypus, which is a noun.
Answer:
King Midas received his gift of turning everything into gold from the Greek god Dionysus
C. Bobby enjoyed sunsets, and they were often photographed by him.