<span>“Deep into
that darkness peering, long I stood there wondering, fearing, Doubting,
dreaming dreams no mortal ever dared to dream before.” – The Raven, by Edgar Allan
Poe.</span>
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An alliteration is the use of a series of three or more words that start one or
two letters that are the same. Some invented examples could be: “Sally the slithering
snake, snuck secretly towards the stables”. </span>
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<span>There are also many tongue
twisters composed by alliterations, like: “She sells sea-shells down by the sea-shore”;
or “Peter Piper Picked a Peck of Pickled Peppers”. </span>
C is the answer. Because deleterious is the opposite of helpful. And ominous is the opposite of friendly.
Elephants are very wise and can think similar to how a human can think.
A, The river is constantly changing. I did this last year so I know what the answer is. Fickle means changing frequently or in my term, stubborn. In his point of view, the river has a mind of its own and changes often. Which he described as "fickle." It may be hard for Twain to pilot a steamboat, if the river is constantly changing.