The pH scale is a measure of how acidic a solution is.
<h3>What is a pH scale?</h3>
The unit of measurement to determine how acidic or basic a solution is, is done via a pH scale, which ranged from 0 to 14, on which 0 to 6.9 means that the solution is acidic, and 7 is neutral.
Hence, the pH scale helps to determine the acidic amount of the solution.
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Answer:
Geologists use the following tests to distinguish minerals and the rocks they make: hardness, color, streak, luster, cleavage and chemical reaction. A scratch test developed by a German mineralogist Friedrich Mohs in 1822 is used to determine mineral hardness.
The type of recommended payment will depend on the type of period and earning amount, thereby more information is required to choose one option.
<h3>Which is the type of payment?</h3>
The type of payment generally makes reference to the period in which a person earns a particular amount of money.
For example, in a salaried payment option, an employee might earn more money per week than an hourly employee.
To determine the recommended payment it is required to obtain more information about monthly/weekly and day earning options.
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