<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".
B. Person "A" said they were going to have a test.
Answer:
by encouraging and helping to maintain a respectful environment
by keeping the group focused and productive
by allowing participants to respond to others’ questions
Explanation: