❓ Câu hỏi According to the passage, what is a primary reason some scientists oppose the formal recognition of the Anthropocene as a geological epoch?
- A. A. Human impacts are not significant enough to leave permanent markers in the geological record.
- B. B. The term was popularized by a non-geologist, Paul Crutzen, and lacks scientific credibility.
- C. C. There is no universally agreed-upon start date that aligns with a single, clear stratigraphic signal.
- D. D. The concept has been too widely adopted by non-scientific fields, weakening its geological validity.