❓ Question According to the passage, what is a key reason why critics oppose the formal recognition of the Anthropocene as a new geological epoch?
- A. A. Human impact is not yet visible in geological records.
- B. B. The effects of human activity began at different times globally.
- C. C. The concept of the 'Great Acceleration' is widely disputed.
- D. D. Radioactive isotopes are not a reliable marker for epochs.