List the controlled, independent and dependent variable of these chemical reactions.

Chemical Reactions:
-Iron and copper (II) sulfate solution
-Lead (II) nitrate and potassium iodide solutions
-Magnesium metal and hydrochloric acid solution
-Electrolysis of water
-Burning magnesium

Which statement explains which component is likely to be more powerful in explaining a scientific phenomenon? a) component c, because a theory is often passed on possibility and not certainty b) component d, because a hypothesis is often based on possibility not certainty c) component c, because the ability to explain several occurrences in the natural world is a characteristic of a hypothesis d) component d, because the ability to explain several occurrences in the natural world is a characteristic of a theory