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evaporation and thats coming from a 4th grader
The path of least resistence
Air is an insulator .......but still the lightning travels through it by ionising it.On the other hand water is a good conductor and ligthning finds path through it to reach the earth.Thus ligthning travels faster through air that has moisture than dry air.
Acceleration
It's pretty much a universal law of nature that everything travels in astraight path unless something else acts on it and causes it to bend.
Orbit is the path that a body follows as it travels around another body in space.
Orbit is the path
An orbit.
It is an orbit.
Orbit
Light always takes the shortest path possible through any medium. As such, when it travels through a vacuum, it travels in a straight line (no refraction). When it travels through the air, the molecules in the air scatter it very slightly, causing some diffusion and refraction, depending on the composition of the air through which it passes. When it travels through water, the shortest path through that medium is not a straight, collinear line from the point of incidence...it is actually offset by a small angle (the angle of refraction). The bent path that light takes through water or another substance is actually the shortest path available to it through that medium.
It goes out the same path that it came in.
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Orbit, if it is closed otherwise one might call it a trajectory.
Your lungs lets out air and it travels through your nose
evaporation and thats coming from a 4th grader