Car A traveled 1200 km in 8 h. Car B traveled 1100 km in 6.5 h. Car C traveled 1300 km in 8.3 h. Which car had the highest average velocity? How long would it have taken the slowest car to travel the same distance as the fastest car?

vapour or gas assuming atmospheriv pressure

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.