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To test the quality of water sources in her area, Shameka collects five samples from each water source and tests the quality of each sample. Which important step of scientific design is Shameka conducting?
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To test the quality of water sources in her area, Shameka collects five samples from each water source and tests the quality of each sample. Which important step of scientific design is Shameka conducting?

User Hulya
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Answer:

c

Step-by-step explanation:

User Delaye
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