9 The height of mercury in a barometer at sea level is

Last updated: 6/11/2023

9 The height of mercury in a barometer at sea level is higher than that at the top of a hill Which of the following inferences about this observation is correct A The air molecules at sea level have higher mass than that at the top of a hill B The air molecules at sea level experience less gravitational force than that at the top of a hill C The air molecules per unit volume at sea level is greater than that at the top of a hill D The speed of air molecules at sea level is lower than that at the top of a hill E None of these