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In the lecture, the professor insists that deep-sea mining near volcanic vents is not sufficiently reasonable, presenting three grounds for the assertion. Specifically, the speaker does not concur with the writer’s argument that the new resources from deep-sea mining can be an alternative of terrestrial mining.
To begin with, the speaker elaborates that there is no technology to transport and refine the metal deposits near the vents. Since the mining is unprecedented, it is not clear if there is an appropriate method to separate pure metals and eliminate dirt. This opinion is in stark contrast to the argument of the reading passage that metals near the volcanic vents are usable.
On top of that, the lecturer insists that the ecosystem will be adversely influenced by the mining. Since there is an ocean current, the mining may scatter materials and cause water pollution. This goes against the writer’s claim that there will be no negative effect to the environment.
Lastly, the professor asserts that the International Seabed Authority may not be applicable since countries will start mining close to their lands. That is, mining processes will be managed by the individual nations so that it is difficult to regulate excessive mining. This counterargument is in opposition to the author’s claim that all the mining activities will be practiced under the international law.
Grade : Good (24-30)
Overall Comment : 전반적으로 잘 구성되고 작성된 에세이입니다. 충분히 고득점을 기대할 만합니다.
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