- PowerScore Staff
- Posts: 1819
- Joined: Dec 06, 2013
- Mon Oct 21, 2024 12:48 pm
#110036
H714W7,
Answer choice (B) doesn't really say anything about the concentration of heavy nitrogen in the blood. It talks simply about the rate. I don't read Jonathan as saying that answer choice (D)'s connection between blood and bone alone is enough to make it correct - he's just drawing attention to what was so good about that answer. Any old connection between blood and bone is not necessarily going to strengthen the argument. Answer choice (D)'s does, so Jonathan emphasized that point. As you seem to understand, the connection should be between the concentrations.
To your last point, you're entirely correct that being able to infer one concentration from another doesn't actually strengthen the argument. I may be able to infer that if one thing is high, the other will be LOW! Or some other function between the two. So, yes, even "fixing" answer choice (B) by making it about concentrations doesn't fully make the answer correct.
Robert Carroll
Answer choice (B) doesn't really say anything about the concentration of heavy nitrogen in the blood. It talks simply about the rate. I don't read Jonathan as saying that answer choice (D)'s connection between blood and bone alone is enough to make it correct - he's just drawing attention to what was so good about that answer. Any old connection between blood and bone is not necessarily going to strengthen the argument. Answer choice (D)'s does, so Jonathan emphasized that point. As you seem to understand, the connection should be between the concentrations.
To your last point, you're entirely correct that being able to infer one concentration from another doesn't actually strengthen the argument. I may be able to infer that if one thing is high, the other will be LOW! Or some other function between the two. So, yes, even "fixing" answer choice (B) by making it about concentrations doesn't fully make the answer correct.
Robert Carroll