Answer:
The correct answer is: D. to ensure that one branch does not gain too much power
Explanation:
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Philosophy! That is the answer
In cross sectional research, a researcher compares multiple segments of the population at the same time.
<h3>What is cross sectional research?</h3>
It is a type of research design in which data are collected from many different individuals or segments.
This data are analyzed at one specific point and time.
Therefore, a cross sectional researcher compares multiple segments of the population at the same time.
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1.<span>nervous system
2.</span><span>cerebrospinal fluid</span>