Answer:
The noun phrase that completes the sentence is A. , a relatively rare event,: <em>A total solar eclipse, a relatively rare event, causes a change in the amount of visible light.</em>
Explanation:
A <u>noun phrase</u> is a group of words in a sentence that act together as a noun. In this way, the <u>noun phrase</u> can act as object, subject, prepositional object or apposition, like in this case. Therefore, option A is the correct answer.
Poets uses figures of speech
hello there! the short answer is yes. “when” is a relative pronoun, and the example you gave is a complex sentence. hope that helped ☺️.
They will have a meaning related to the word sleep