Physics
The Hydraulic Break works on the principle of ________ .

Boyle's law
Coulomb's law
Pascal's Law
Bernouli's law

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Physics
Why does bleeding occur through the nose in high mountainous regions ?

The blood pressure of a person increases at high altitudes
The pressure at high altitudes is greater than that on the plains
The blood pressure fluctuates and finally decreases drastically
The pressure of blood in capillaries is greater than the outside pressure

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