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📖 Reading Passage

The concept of the 'Anthropocene' has gained traction among geologists and environmental scientists as a proposed new geological epoch defined by significant human impact on Earth's geology and ecosystems. Unlike previous epochs, which were shaped by natural forces such as volcanic activity or asteroid impacts, the Anthropocene is characterized by markers including plastic pollution, elevated carbon dioxide levels, and the global spread of radioactive isotopes from nuclear tests. However, the formal recognition of this epoch remains contentious. Some scholars argue that human-induced changes, while profound, have not yet produced a distinct stratigraphic signature comparable to those of earlier boundaries. Others contend that the rapid acceleration of industrialization since the mid-20th century, often termed the 'Great Acceleration', justifies a clear demarcation. This debate underscores the challenge of integrating human history into deep geological time scales, raising questions about how future geologists will interpret our current era.
❓ ตามเนื้อเรื่อง เหตุผลหลักที่ทำให้เกิดข้อโต้แย้งเกี่ยวกับการยอมรับอย่างเป็นทางการของยุคแอนโทรโปซีนคืออะไร?

✅ 正确答案

B. The disagreement over whether human changes have created a distinct stratigraphic signature.

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