The concept of the 'Anthropocene' has gained traction among geologists as a proposed new geological epoch defined by significant human impact on Earth's systems. Proponents argue that markers such as plastic pollution, radioactive fallout from nuclear tests, and elevated carbon dioxide levels provide clear stratigraphic evidence of a distinct boundary. However, critics contend that the term is more cultural than scientific, as human influence has been gradual and uneven across regions, complicating the identification of a single global start date. They suggest that formalizing the Anthropocene might oversimplify the complex interplay between natural and human forces, potentially undermining the precision required in geological classification. This debate highlights the tension between scientific rigor and the need to communicate urgent environmental concerns, raising questions about whether epochs should reflect planetary changes or societal narratives.
❓ Según el pasaje, ¿cuál es una razón principal por la que algunos académicos se oponen a formalizar el Antropoceno como una época geológica?
A. A. El impacto humano ha sido demasiado uniforme y simultáneo a nivel mundial como para definir un límite.
B. B. El término no logra captar la naturaleza gradual y regionalmente variable de la influencia humana.
C. C. No hay evidencia suficiente de contaminación por plásticos y marcadores radiactivos en el registro rocoso.
D. D. La época propuesta no aborda la urgencia de la comunicación ambiental.
✅ 正确答案
B. The term fails to capture the gradual and regionally varying nature of human influence.
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