The concept of the 'Anthropocene' has gained traction among geologists as a proposed new geological epoch, characterized by significant human impact on Earth's geology and ecosystems. Unlike previous epochs, which were defined by natural climate shifts and biological evolution, the Anthropocene is marked by human-induced changes such as nuclear fallout, plastic pollution, and elevated carbon dioxide levels. Proponents argue that these markers are stratigraphically distinct and will be preserved in the rock record, justifying a formal designation. However, skeptics contend that the term is more cultural than scientific, noting that human activities have altered the environment for millennia, and that the proposed markers may not be globally synchronous. This debate underscores the challenge of defining geological time in an era of rapid planetary change, raising questions about the intersection of science, policy, and human responsibility.
❓ 本文によると、懐疑論者が人新世を地質時代として正式に指定することに疑問を呈する主な理由は何か。
A. A. 人間の環境への影響は、あまりにも緩やかで一様であるため、明確に特定することができない。
B. B. 提案された指標は、世界中で同時に現れるとは限らず、その用語は科学的というよりも文化的なものである可能性がある。
C. C. 核降下物やプラスチック汚染は、地層を変えるほどの重要性を持たない。
D. D. 「人新世」の概念は、証拠不足により既にほとんどの地質学者によって否定されている。
✅ 正确答案
B. The proposed markers may not occur at the same time across the globe, and the term may be more cultural than scientific.
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