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We cannot boil water inside the earth's ...

We cannot boil water inside the earth's satellite. Explain.

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Water can be boiled by the process of convection. When water is heated, its density becomes less and it rises up. The cooler water from upper part being of more diensity due to gravity comes down and takes the place vacated by hot water. So the convection currents are set up in water, till the whole water is bolied.
Inside the satellite, there is a weightlessness state, in which the convection currents are not possible. hence we cannot boil water inside the earth's satellite.
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