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Physics, 01.01.2021 06:30 61497

Pedro has collected different kinds of rocks. He begins testing the rocks' hardness to see how they compare. What is the best phrase to describe what Pedro is doing?
A.
asking a question
B.
conducting a scientific investigation
C.
reporting scientific results
D.
forming a prediction

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Answers: 3

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Pedro has collected different kinds of rocks. He begins testing the rocks' hardness to see how they...
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