The concept of the 'Anthropocene' has gained traction among geologists as a proposed new geological epoch defined by humanity's profound impact on Earth's systems. Unlike previous epochs, which were delineated by natural climatic shifts or biological events, the Anthropocene is characterized by markers such as nuclear fallout, plastic pollution, and elevated carbon dioxide levels. However, the proposal remains contentious. Some scientists argue that the term should be formalized to reflect the scale of human-induced change, while others contend that the changes are not yet synchronous across the globe, failing to meet the strict criteria of a geological time unit. This debate underscores a deeper tension between scientific classification and the recognition of human agency in shaping planetary history.
❓ Según el pasaje, ¿cuál es una razón principal por la que algunos científicos se oponen a formalizar el Antropoceno como una época geológica?
A. A. Los marcadores utilizados para definirlo no son universalmente aceptados.
B. B. Los cambios inducidos por el ser humano no están ocurriendo simultáneamente en todo el mundo.
C. C. La lluvia radiactiva y la contaminación por plásticos son demasiado recientes para estudiarlas.
D. D. El concepto ignora los cambios climáticos naturales de épocas anteriores.
✅ 正确答案
B. Human-induced changes are not occurring simultaneously worldwide.
IELTS Reading Tips
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