❓ Вопрос According to the passage, which of the following is a major obstacle to formally defining the Anthropocene as a geological epoch?
- A. A. The lack of any human-induced markers in sedimentary layers.
- B. B. The absence of consensus on a single globally synchronous boundary marker.
- C. C. The proposal to start the epoch with the advent of agriculture is too recent.
- D. D. The International Commission on Stratigraphy rejects the concept entirely.