What is the best reference source to use to find the meaning of the word flume as it is used in this sentence from the passage? a)almanac  b)thesaurus  c)dictionary  d)literature text 

A dictionary is the best reference source to use to find the meaning of the word flume as it is used in this sentence from the passage.  Option C is correct.

A dictionary consists on a book or electronic resource that lists the words of a  particular language in alphabetical order and provides their meaning, or even the equivalent words in a different language. What's more, a dictionary usually adds information about pronunciation, origin, and usage of the word defined.

the answer is a.

explanation:

the clause "looking toward the south" modifies "a funnel cloud." it's not really the cloud that's "looking," but grammatically, that clause is modifying the cloud.

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