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The deepest layer of the abdominal muscles is the
Designing
The process of creating a plan or proposal to develop new objects, systems, or processes, tailored to meet specific needs or objectives.
Questionnaire
A research instrument consisting of a series of questions for the purpose of gathering information from respondents.
Important Points
Key or significant facts, issues, or figures that are crucial in understanding or analyzing a situation.
Cluster Sample
A sampling method where the population is divided into groups, or clusters, and a random sample of these clusters is selected for study.