I think the correct answer would be D. The tap water in the experiment is one the three test conditions of the independent variable, the type of water. The independent variable in a experiment is the one being manipulated or the one being changed. In this case, it is the type of water.
C.) Mitochondria is the answer...
Most earthquakes occur along or near the edges of the earth's lithospheric<span> plate. </span>
Answer:
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Explanation:
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