❓ คำถาม What is the primary reason ecosystem services are often underpriced in markets, according to the passage?
- A. A) They are always provided by governments at no cost.
- B. B) They possess characteristics of public goods, making them non-excludable and non-rivalrous.
- C. C) They are too abundant to be measured accurately.
- D. D) They are only valuable in certain cultural contexts.