<span>"That these little creatures survive in these small pools of water" is the whole noun clause You could replace that whole noun clause with "That fact" which is a noun phrase and have a sentence That fact is amazing where "that fact" would be the subject.
Likewise, </span>this whole noun clause represents A SUBJECT of the sentence because it corresponds with the predicate "is".
3). life's unpredictability and urge people to enjoy their youth
After marrying Juliet, Romeo views Tybalt as a kinsman.
I believe that the best answer among the choices provided by the question is <span>D) The Greenberg article shares research about Marshall, while the informational text is based on an interview.</span>
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