Well i dont know how to help cause i dont know the passage and i dont know what its about
Answer:
It is contrasting what produces the pulling power of a whirlpool and a black hole.
Explanation: I just did the assignment in edge:)
A subject is a part of a sentence that contains the person or thing performing the action (or verb) in a sentence.
System Thinking<span> is the art and science of making reliable inferences about behavior by developing an increasingly deep understanding of underlying structure. Its related to side effects because the behavior interferes with the side effects depending on it's structure. </span>
