❓ Câu hỏi According to the passage, which of the following is a major challenge in assessing cultural ecosystem services?
- A. A. They are often more economically valuable than provisioning services.
- B. B. They are difficult to measure due to their subjective and context-dependent nature.
- C. C. They are only relevant for indigenous communities, making them hard to generalize.
- D. D. They have been completely ignored by policymakers and scientists alike.