For which of the following the “unary scope resolution operator” (::) can’t be used? a. To access global variable from within a scope that has the same local variable name.
b. To access global variable from within a certain scope that doesn’t have the same local variable name.
c. To access a local variable within another scope.
d. None.

c++

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the answer to your question would be something called hertz. the unit of measurement called a hertz, which is one cycle per second, is used to measure clock speed. within one cycle, your computer processes, refreshes, or updates itself to the changes that it is going through. in the case of computer clock speed, one hertz equals one tick per second. the clock speed of computers is usually measured in megahertz (mhz) or gigahertz (ghz)

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