The primary difference between the federal government and the state governments is the scope of their legal powers. The federal government is expressly given the power to make and veto laws, oversee national defense and foreign policy, impeach officials, impose tariffs and enter into treaties. The federal government, through the Supreme Court, also has the power to interpret and revise laws and intercede when one state is impeding on the rights of another.
The common problem of the research investigating the massed vs. the distributed practice is the <u>lack </u><u>of a </u><u>retention </u><u>or </u><u>transfer test</u>.
The research which intends to investigates the massed refers to one that targets a large population at a time
The research which intends to investigates the distributed refers to one that target the different section of the large population
However, the common limitation of the two research is lack of a retention or transfer test in the investigation.
Therefore, the Option A is correct.
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Answer:
the answer is A education
