In the question the option that tells us the weakness of the sampling technique is that Samples were taken from both dark and bright lunar areas instead of concentrating on one area
<h3>What is a sampling technique?</h3>The sampling technique can be defined as the name of the technique that helps in the identification of the specific process by which the entities that would be used in a sample has been chosen.
This is the way that the subset of a population can be used to make generalizations about the entire population that is existent in the study.
Hence we can ay that In the question the option that tells us the weakness of the sampling technique is that Samples were taken from both dark and bright lunar areas instead of concentrating on one area
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