In my opinion, i think the first one is the best one since we're cutting down on paper wasted in mails when its better to do it online.
"paying bills online instead of sending paper through mail"
Explanation:
They will repel, meaning that they are made of an electrical conductor.
Answer:
Half
Explanation:
You only have to exert a force equal to half the weight of the load to lift it.
Answer:
Explanation:
Check attachment for solution