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The Average Height of a Column of Mercury (Hg) in a Barometer

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The average height of a column of mercury (Hg) in a barometer at sea level is


Definitions:

Source Code

The original code written by a programmer in a high-level programming language before it is compiled into machine code.

Declaration Statement

A statement in programming that specifies the type and possibly the initial value of one or more variables or constants.

Extern

A keyword in C and C++ programming languages used to declare a variable or function in another file.

New Variable

The process of declaring a memory space for storing values, with a specific type in programming.

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