Altitude describes an object's position relative to sea level. An object in a position higher than sea level would have a positive altitude, sea level would have an altitude of zero, and any object below sea level would have a negative altitude.
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The stratosphere's temperature increases as altitude increases. The mesosphere's temperature decreases as it's altitude increases. This is helpful
As altitude increases, the air pressure decreases. The air pressure inside the sealed bottle remains constant, creating a pressure difference between the inside and outside of the bottle. This pressure difference causes the higher pressure inside the bottle to push outwards, leading to the bottle collapsing due to the lack of external pressure to balance it.
As altitude increases, the force of gravity decreases slightly. This is because the gravitational force between two objects decreases with distance. However, the effect of altitude on gravity is minimal unless you are at extremely high altitudes, such as in orbit around the Earth.
the angle between an object in the sky and the horizon
Positive lightning strokes typically have higher peak currents and longer duration compared to negative lightning strokes. Lightning detection systems analyze these characteristics, such as current waveform and polarity, to distinguish between positive and negative strokes. Additionally, positive lightning tends to form from the top of the storm cloud and strike further away from the storm center compared to negative lightning strokes.