Fountain ink pen leaks at hight altitudes. It is due to

1.	Fountain ink pen leaks at hight altitudes. It is due to
Answer» low atmospherisc presseure HIGH temperature high atmospheric pressure Both (1) and (2) SOLUTION :As we move to higher ALTITUDES, FOUNTAIN PEN ink leaks out because of lower atmospheric pressure. The pressure built up in ink pen is move when constituent of its high calorific value.

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