The concept of the 'Anthropocene' has gained considerable traction in geological and environmental circles, though its formal recognition as a new epoch remains contentious. Proponents argue that human activities, particularly since the mid-20th century, have left a distinct and permanent marker in the stratigraphic record, such as radioactive isotopes from nuclear tests and microplastics in sedimentary layers. Conversely, critics contend that geological time scales are far too vast for such a recent and relatively thin layer to warrant a separate epoch, suggesting instead that these changes might be better classified as a 'geological event' within the Holocene. This debate underscores a fundamental tension between the precise, empirical standards of stratigraphy and the broader, more urgent narrative of human impact on Earth's systems.
❓ Какова основная точка разногласий между сторонниками и критиками антропоцена, как описано в отрывке?
A. A. Вызвали ли деятельность человека какие-либо необратимые изменения в геологии Земли.
B. B. Достаточно ли значимы геологические свидетельства воздействия человека, чтобы определить новую эпоху.
C. C. Являются ли радиоактивные изотопы или микропластик более надёжными маркерами воздействия человека.
D. D. Завершилась ли эпоха голоцена или продолжается до настоящего времени.
✅ 正确答案
B. Whether the geological evidence for human impact is significant enough to define a new epoch.
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