A complete sentence is described as a sentence that offers a complete and accomplished thought in itself. Such a sentence comprises of a subject followed by a predicate that offers the details or description regarding the subject. These sentences assist in conveying the intended thought clearly and effectively.
As per the question, there are three complete sentences offered in the given passage that are making complete sense in themselves. <u>All these three sentences comprises of a subject and predicate and successfully convey the accomplished thoughts independently without relying on another sentence to accomplish its meaning.</u> Therefore, <u>option C</u> is the correct answer.
Technically it is true that Frederick Scott Archer introduced the concept of combining artificial and natural light in the studio, but it should be noted that this concept had been used before, just without much fame.
