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.
Answer:
O Citizens elect leaders who vote on the issues in a representative democracy, and citizens vote on the issues in a
direct democracy.
The speaker’s desire to cure the raven of its inability to say anything other than “nevermore”
The answer is B trust and mindful