❓ Question According to the passage, what is a primary reason critics oppose formalizing the Anthropocene as a geological epoch?
- A. A. Human impacts have been too uniform across time and space to be useful.
- B. B. The proposed start date of the mid-20th century is too recent to be visible.
- C. C. There is no clearly defined, globally synchronous marker in the rock record.
- D. D. The term has already been widely adopted by policymakers and the public.