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.
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Answer:
Explanation:
Pesticides reduce the amount of bugs that could eat or mess up the food that farmers grow. With the help of pesticides farmers can sell all or most of their crops without worrying about it being damaged by bugs.
Oil is the anwser because it is man made and natural and humans will need it a lot in the future
