At what point will the currents that transfer heat throughout a gas cease to flow? a. when the substance changes state and becomes a liquid b. when the entire gas is a single temperature c. when the substance is very hot on top and cold beneath d. when the particles stop bumping into each other

The correct answer is B.

Explanation:

If there is a temperature difference the heat will always travel from the hottest place to the coldest.

It is only when the gas mass reaches the same temperature that the heat stops flowing through it. As the temperature homogenizes, there is no need for heat transfer currents.

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root word, prefixes, and suffixes

force required to detach it is given by

charges are taken to be fundamental charge

now we have

so above is the minimum distance at which it will detach