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Anyone notice a possible mistake in Q12 of multiple choice? "12) A student performed a sampling technique as part of a first-hand investigation on water quality and repeated the sampling technique several times. What aspect of the experiment was improved by repeating the procedure?" The...

Anyone notice a possible mistake in Q12 of multiple choice? "12) A student performed a sampling technique as part of a first-hand investigation on water quality and repeated the sampling technique several times. What aspect of the experiment was improved by repeating the procedure?" The...