Statement 1: Water boils below $100^{o} C$ at high altitudes.
Statement 2: Atmospheric pressure varies inversely with altitude.

Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1

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Both the Statement 1 and Statement 2 are correct and Statement 2 is NOT the correct explanation of Statement 1.

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Statement 1 is correct but Statement 2 is not correct.

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Statement 1 is not correct but Statement 2 is correct.

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Both the Statement 1 and Statement 2 are not correct.

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Solution

The correct option is C Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1
Pressure changes inversely with altitudes and boiling point directly proportional to pressure. Pressure and boiling points are low at high altitudes. So water boils below 100 $^{\circ} C$ .

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Statement 1: Water boils below 100oC at high altitudes. Statement 2: Atmospheric pressure varies inversely with altitude.

Statement 1: Water boils below $100^{o} C$ at high altitudes.
Statement 2: Atmospheric pressure varies inversely with altitude.