❓ คำถาม 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 the geological record.
- B. B) The absence of a globally synchronous and distinct stratigraphic boundary.
- C. C) The fact that human activities have had no measurable impact on ecosystems.
- D. D) The rejection of the term by all geologists due to its political implications.