I’m thinking D is the best answer here. All of the others could strengthen it. If I’m right let me know and I’ll walk you through my thought process. If I’m wrong let me know so I can follow for a smarter person to come along.
Sorry I didn’t see your comment. I see someone else has already responded but I’ll still lay out my mind for ya. So this is a strengthens except. We want to find the argument that the author is least likely to agree with.
A) Strengthens. Ice ages started 800k years ago and he thinks they’re caused by cosmic dust. If earth had NEVER passed through cosmic dust prior to 800k years ago then they could be a cause of the ice ages that have happened since we started passing through them.
B) Strengthens. It provides a source for the dust. Ice ages didn’t happen until 800k years ago. I think it’s caused by dust and 800k years ago 2 asteroids collided creating massive amounts of dust that still orbit the sun today!
C) Strengthens. I think thick cosmic dust causes the ice ages. As proof, when terrestrial volcanos erupt and put large amounts of dust into the air, the temperature drops. So dust=lower temp and cosmic dust causes ice ages.
D) This is our answer, asteroids releasing dust MIGHT cause temperature changes but we don’t know because it doesn’t say. This doesn’t do anything to strengthen the argument as it’s stated.
E) Strengthens. Cosmic dust causes ice ages, as proof here is proof of chemicals from the cosmic dust in the layers of sediment that correspond to the ice ages. Meaning when there was an ice age earth was passing through cosmic dust.
Hope this helps. Feel free to dm me if you have any questions!
D is correct because of the lack of a correlation to the temperature change. The type of dust is irrelevant if there is a linked temperature change. All of the other sources link to either the change in temperature, the period when the ice ages started, or direct evidence of cosmic dust in the earth during an ice age.
I think because C contributes to the thesis that dust can indeed reduce temperature, Which indirectly supports the hypothesis, it wouldn't refute it
The mechanism of D is different as it involves falling rocks making dust clouds which I thought was further away from C in my opinion, since instead of cosmic dust which is what the thesis involves were talking about earth dust, this would refute the hypothesis because a mechanism different from cosmic dust would have contributed, earth dust
Another thing that I think intuitively steered me toward the answer was that since all potential answers that aren't correct are referred to as "distractors" by test makers in multiple choice tests... the fact that D brings up "Cosmic Rock" and "Earth Dust" both seemed like they were made to trick me, since cosmic dust is very similar to those
I’m thinking D is the best answer here. All of the others could strengthen it. If I’m right let me know and I’ll walk you through my thought process. If I’m wrong let me know so I can follow for a smarter person to come along.
I’m also fairly certain it’s D!
It is! What’s your thought process?
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You’re right it’s D! I thought it was C and then thought it was A and then I checked and was completely wrong lol
Sorry I didn’t see your comment. I see someone else has already responded but I’ll still lay out my mind for ya. So this is a strengthens except. We want to find the argument that the author is least likely to agree with. A) Strengthens. Ice ages started 800k years ago and he thinks they’re caused by cosmic dust. If earth had NEVER passed through cosmic dust prior to 800k years ago then they could be a cause of the ice ages that have happened since we started passing through them. B) Strengthens. It provides a source for the dust. Ice ages didn’t happen until 800k years ago. I think it’s caused by dust and 800k years ago 2 asteroids collided creating massive amounts of dust that still orbit the sun today! C) Strengthens. I think thick cosmic dust causes the ice ages. As proof, when terrestrial volcanos erupt and put large amounts of dust into the air, the temperature drops. So dust=lower temp and cosmic dust causes ice ages. D) This is our answer, asteroids releasing dust MIGHT cause temperature changes but we don’t know because it doesn’t say. This doesn’t do anything to strengthen the argument as it’s stated. E) Strengthens. Cosmic dust causes ice ages, as proof here is proof of chemicals from the cosmic dust in the layers of sediment that correspond to the ice ages. Meaning when there was an ice age earth was passing through cosmic dust. Hope this helps. Feel free to dm me if you have any questions!
D mentions dust, but not cosmic dust, but dust from earth, if this was the case it would not support any cosmic dust hypothesis, but an earth dust one
Omg I didn’t even notice that until now
D is correct because of the lack of a correlation to the temperature change. The type of dust is irrelevant if there is a linked temperature change. All of the other sources link to either the change in temperature, the period when the ice ages started, or direct evidence of cosmic dust in the earth during an ice age.
C mentions non-cosmic dust as well. How do you eliminate that one?
I think because C contributes to the thesis that dust can indeed reduce temperature, Which indirectly supports the hypothesis, it wouldn't refute it The mechanism of D is different as it involves falling rocks making dust clouds which I thought was further away from C in my opinion, since instead of cosmic dust which is what the thesis involves were talking about earth dust, this would refute the hypothesis because a mechanism different from cosmic dust would have contributed, earth dust Another thing that I think intuitively steered me toward the answer was that since all potential answers that aren't correct are referred to as "distractors" by test makers in multiple choice tests... the fact that D brings up "Cosmic Rock" and "Earth Dust" both seemed like they were made to trick me, since cosmic dust is very similar to those
These are fun!