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What is true about the Preliminary Emancipation Proclamation issued on September 22, 1862?
Correlation
A statistical measure that indicates the extent to which two or more variables fluctuate in relation to each other.
Weight
A measure of the heaviness of an object, often quantified using units such as kilograms or pounds.
Correlation
A statistical measure that describes the extent to which two variables change together.
pH
A measure of the acidity or basicity of an aqueous solution, ranging from 0 to 14, where 7 is neutral, lower values are more acidic, and higher values are more basic.
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