<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".
The answer B.Since,Diffusion is driven by differences in concentration. When chemical substances such as perfume are let loose in a room, their particles mix with the particles of air. ... Diffusion in gases is quick because the particles in a gas move quickly. It happens even faster in hot gases because the particles of gas move faster.
Answer:
B. B. that he wants other people to think he is clever and mature
Explanation:
George Willard is the main character in Sherwood Anderson's "Winesburg, Ohio".
George's life is followed through stories, showing development of his character, the transition from adolescent to adult years, growing up in a small town and relations he has with other people.
George somewhat fears how will older members of his community look to him because of his age.
The phrase "to appear green" is connected to the fruits; most fruits look green until they mature.