This is an example of a cause and effect relationship.
The answer is dictionary.
<span>glossary - an alphabetical list of terms or words found in or relating to a specific subject, text, or dialect, with explanations; a brief dictionary.
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a thesaurus lists words in groups of synonyms and related concepts.
it is not an encylopedia
The correct answer is the first option.
The sentence that presents the correct subject-verb agreement is the first one since in it we are talking about "heavy rains" OR "fast-melting snow". In other words, the subject is coordinated by the conjunction "OR" which makes the subject singular. The verb "causes" is conjugated in the third person singular.
