Those in society who believe that there are no moral truths, no moral rules, no moral knowledge and no responsibilities subscribe to a philosophy of moral ____________

Always go around cars that are stopped at an intersection on their left (driver's) side

Indicate whether the statement is true or false

Which of the following best describes a "lost" P wave?

A) One that can't be counted because it happens too quickly. B) One that is visible but highly irregular. C) One that is obscured because it falls on other waves. D) One that is there one minute but gone the next.