❓ 题目 According to the passage, which of the following is a reason why some scientists oppose formally recognizing the Anthropocene as a new geological epoch?
- A. A. Human impacts are too minor to leave any lasting geological markers.
- B. B. The effects of human activity are not globally consistent enough to define a clear boundary.
- C. C. The term 'Anthropocene' was coined by non-geologists and lacks scientific rigor.
- D. D. The proposed epoch began too recently to be studied using geological methods.