The second option. Scientists are learning about life in the sea and how may improve life on land. (I’m not 100% sure but I think I’m right) sorry.
The sentence in the paragraph that expresses an opinion rather than a fact is: " These yearly declarations of what's 'in' and what's 'out' reflect the need to maintain sales far more than any real shift in customer preferences." (Option C)
<h3>What is an opinion and what is a fact?</h3>
An opinion is a persons view about a subject matter. it may or may not be based on fact. A fact, however, is a statement that is based on evidence.
Hence, it is right to state that the sentence in the paragraph that expresses an opinion rather than a fact is: " These yearly declarations of what's 'in' and what's 'out' reflect the need to maintain sales far more than any real shift in customer preferences."
Learn more about facts at:
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This sentence is complex.
The dependent clause is After some time passed, and the independent one is the rest of the sentence.
A simple sentence would have only one independent clause, and a compound sentence would have at least two independent clauses.