[Solved] Infectious naked strands of RNA are called A)viroids. B)phages. C)prions. D)oncogenic viruses. E)spikes. Coase Theorem: A principle stating that if trade in an externality is possible and there are no transaction costs, bargaining will lead to an efficient outcome regardless of the initial allocation of property. Usage Fee: A charge imposed for using a particular service or facility, typically structured according to the extent or duration of use. Efficient: Characterized by achieving a desired outcome with the least wasted effort or resources. Clean Water: Water that is free from pollutants, contaminants, and harmful microorganisms, safe for consumption and suitable for use in various domestic and industrial activities.