The first use of "selfish" is modified with an adjective clause "that threatens the cohesion of society", while the second use is explained as "for the human species", these two modifiers are polar opposite to each other, indicating the two different uses of "selfi...

Two questions: First, what is the answer to Noah's challenge, beginning with : "The koalas survives..." ? Tried, but am at a loss... Second, every time I try writing the politician's claim, I wind up with: koala ---> forest (or stop deforestation). The "needed" is throwing me...

My understanding is, C is wrong because D exists. We are required to choose the best answer, that means if there are several competing answer choices, we still have to compare them to each other. D is better because it's negation destroys the entire argument, suggesting even Clark parts can be poorl...