Which of the following correctly describes the characteristics of a "public good"? Selected answer will be automatically saved. For keyboard navigation, press up/down arrow keys to select an answer. a No one can enjoy them together, and consumption is nonrivalrous. b It is impossible to exclude someone from consuming them, and if one person enjoys a public good, it reduces the supply available to others. c No one can enjoy them together, and if one person enjoys a public good, it reduces the supply available to others. d It is impossible to exclude someone from consuming them, and consumption is nonrivalrous