Short Answer Questions Type-I (Answer in one or two sentences)1. In which direction does air exert maximum pressure?2. What causes lightning during a thunderstorm?E

Short Answer Questions Type-I (Answer in one or two sentences)1. In wh

1.	Short Answer Questions Type-I (Answer in one or two sentences)1. In which direction does air exert maximum pressure?2. What causes lightning during a thunderstorm?E
Answer» <p>1.Air or any fluid for that matter would exert force (due to pressure) normal to thesurfaceit is in contact with. A fluid can exert force tangent tosurfacein contact only when the fluid is in motion via viscosity. Yes gravity does exert a downward force on air.</p><p>2.Lightningis produced inthunderstormswhen liquid and ice particles above the freezing level collide, and build up large electrical fields in the clouds. ... Thelightningspark can occur between clouds, between the cloud and air, or between the cloud and ground.</p>