A.I. Explanation:

Correct answer: discovered

Explanation: The verb 'discovered' fits grammatically as it is in the past tense, aligning with the past action of analysts surveying content. Contextually, it indicates the finding or realization made by the analysts regarding blog posts.

Meaning: 'Discovered' means to find out something that was previously unknown or hidden.

Wrong options:

• obtained: Obtained is a past participle that implies possession rather than the act of finding out, which does not fit the context of revealing insights.
• exactly: Exactly is an adverb that indicates precision, but it does not serve as a verb and does not fit grammatically in this context.
• stable: Stable is an adjective describing something that is steady or unchanging, which does not fit as a verb in this sentence.

Correct answer: prevalent

Explanation: The adjective 'prevalent' describes the commonality of relationship and community-themed blogs, fitting grammatically and contextually as it conveys that these types of blogs are widespread.

Meaning: 'Prevalent' means widespread or commonly occurring.

Wrong options:

• stable: Stable is an adjective that describes consistency, which does not convey the idea of commonality in this context.
• dedicated: Dedicated is an adjective that implies commitment to a purpose, which does not fit the context of describing the frequency of blogs.

Correct answer: dedicated

Explanation: The word 'dedicated' fits grammatically as it describes the blogs that are specifically focused on cultural heritage and travel, maintaining the sentence's structure and context.

Meaning: 'Dedicated' means devoted to a particular subject or purpose.

Wrong options:

• obtained: Obtained is a past participle that does not fit as it does not describe the nature of the blogs in relation to their focus.
• exactly: Exactly is an adverb that does not fit grammatically as it does not describe a noun or subject.

Correct answer: predominantly

Explanation: The adverb 'predominantly' fits grammatically as it modifies the verb 'write,' indicating the manner in which bloggers engage in writing. It aligns with the context of discussing the individual writing habits of bloggers.

Meaning: 'Predominantly' means mainly or for the most part.

Wrong options:

• obtained: Obtained is a past participle that does not fit as it does not describe how bloggers write.
• exactly: Exactly is an adverb that does not convey the manner of writing and does not fit grammatically.