❓ 質問 According to the passage, what is a major reason why some scientists oppose formally recognizing the Anthropocene as a new geological epoch?
- A. A. The markers of human impact are not globally synchronous, making it hard to define a single starting point.
- B. B. The term was not originally proposed by a geologist, so it lacks scientific credibility.
- C. C. The Industrial Revolution's effects on ice cores are too weak to be measured accurately.
- D. D. The concept of the Anthropocene is too socially meaningful to be used in scientific classification.