What happens to the molecules of a substance as they evaporate? The molecules flow freely over and around each other then begin to vibrate against each other.

The molecules start by bouncing into each other and their container then begin to flow freely over and around each other.

The molecules start by flowing freely over and around each other then bounce into each other and their container.

The molecules vibrate against each other then begin to flow freely over and around each other.

the movement of aircraft through clouds can even cause lightning strikes. a single lightning event is a "flash", which is a complex, multi-stage explosively ejected.

explanation:

and the person below goggled it.

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it can be observed without changing the identity of the object.

it depends on what substance you're talking about as well as many other factors. in quantum mechanics, the observation of particles affects the observers ability to measure certain properties. for example: you can know the velocity of a particle, but you can't know it's position; or you can know it's position, but not it's velocity. it's like trying to find out where a grain of sand is by throwing other grains of sand at it. once you find out where it is, it's been moved. it's also like trying to find an answer to the question of whether or not a tree falling in a forest makes a sound if nobody is there to hear it. paradoxically, the only way to find out is to be there and hear it.

the answer is symmetrical : )