Answer:
i think ur missing the equation
Explanation:
Because of rain/ the water cycle
It would be a line going straight through the graph under the middle.
Answer:
Direct Current Polarity Normal - When the electrode is connected to the negative terminal of the power source and the base metals are connected to the positive terminal.
Direct Current Reverse Polarity - When the base metals are connected to the negative terminal of the power source and the electrode is connected to the positive terminal.
Hope it helps!