Sentence Correction (SC) | Re: Because of the Sun, which is 400 times larger than the Moon,

There is no issue of whether certain words are "essential to the sentence".
That'snever an issue. In any sentence that's well-written, EVERY word will ALWAYS have some easily identifiable significance! Good sentences do not randomly contain irrelevant or 'unimportant' words.

There is a grammatical entity known as an 'essential' modifier / 'essential' clause. The significance of this entity is something
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