<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".
Answer:
The author point out the ability of human beings to have feelings for each other through empathy which inturn create altruistic human behavior.
Explanation:
Empathy result in having compassion and understanding feelings of people who are afflicted and it's encourage others to render help. Empathy is a motivator of altruism. Altruism is a person's ego who has problems and anxieties and go out to render help to others who need it. Altruism born out of empathy is the true altruism because it is the desire to help people who are afflicted.
I would say D) Because swimming races are won by inches, the new suits can make a difference. It's joining a statement and a reason for the statement.
