❓ 質問 According to the passage, what is a primary reason some critics oppose formalizing the Anthropocene as a geological epoch?
- A. A. Human impacts are not globally simultaneous and are too variable across regions.
- B. B. The markers, such as nuclear fallout, are not stratigraphically distinct.
- C. C. The concept places too little emphasis on human activities.
- D. D. The term has no value for scientific research or public awareness.