How does altitude affect the freezing, melting, and boiling points of water?

When at a higher altitude , the atmospheric pressure is usually low and it

requires lesser amount of energy for the water to reach its boiling point. This

means that at higher altitudes , water boils at a lower temperature.

The freezing point of water increases with a higher altitude. This means that

water freezes at a higher temperature although the difference is very small.

The low pressure present in higher altitudes increases the melting point of

water(ice)

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At higher altitudes, air pressure is lower. When atmospheric pressure is lower, such as at a higher altitude, it takes less energy to bring water to the boiling point. Less energy means less heat, which means water will boil at a lower temperature at a higher altitude.

In an ordinary container (exposed to atmospheric pressure). The freezing point will increase with altitude (and corresponding decrease in atmospheric pressure), but the difference is very slight.

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i think option no d is the correct answer

quartz

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