Answer:
The independent (or manipulated)variable is something that the experimenter purposely changes or varies over the course of the investigation. The dependent (or responding) variable is the one that is observed and likely changes in response to the independent variable.
Explanation:
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Contribution Margin Dollars is Calculated by The contribution margin is computed as the selling price per unit, minus the variable cost per unit.
Answer:
Amniocentesis
Explanation:
It involves inserting a long needle to extract fetal cells from the fetus's surrounding fluid for these diagnostic purposes. It is a risky procedure that has since been widely replaced by cell-free DNA testing.