The definition of research with human subjects is a study of twenty 4th grade classrooms by vary the time of day reading .
<h3>What is a research?</h3>
Research sercesaa the systematic investigation which involves the study of materials and sources so as to get the facts and reach new conclusions.
Therefore, in the study of human subjects of twenty 4th grade classrooms, a conclusion can be made.
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Answer:
A
Explanation:
thats the only thing provided
Answer: C. Labor unions
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Answer:
According to classical sources, the war began after the abduction (or elopement) of Queen Helen of Sparta by the Trojan prince Paris. Helen's jilted husband Menelaus convinced his brother Agamemnon, king of Mycenae, to lead an expedition to retrieve her.