The right answer is "Different age groups are tested at the same time". This type of research is known as A Cross-Sequential Design. These investigations have a cross-sectional and longitudinal, involves analyzing a group of people of different ages (For example 10, 20, 30 and 40 years) over time (For example, for 40 years), this in order to study human development in a particularly long period of life.
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Answer:
freed African American slaves in the Confederate states
Explanation:
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Answer:
Providing leadership, maintaining order, providing public services, national security, economic security, and economic assistance.
Explanation:
The six function of United States government are providing leadership which lead the country on the path of prosperity, maintaining law and order, providing public services such as justice, food and shelter, providing security to the citizen against internal and external threats, providing economic security in order to maintain the economy better, and providing economic assistance whenever a citizen needed any help in their business through loans.