Fog rolling down the river is a form of figurative language known as personification. Personification occurs when a non-human object is given a human characteristic or action. In this case, fog cannot literally "roll" down the river. I mean, just imagine a person rolling down a hill like a derp-head. Fog doesn't do that, but in a figurative way, it "rolls" down the river. I hope you can understand :')
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Answer: The three types of wholesalers are 1) merchant wholesalers; 2) agents, brokers, and commission merchants; and 3) manufacturers' sales branches and offices.
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From: Fluffy Strawberry
Answer:
b. dolphins appear to be highly intelligent animals.