Can u answer these questions?
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Explanation:
1. pure copper plate and lump of impure copper
2.negative terminal of led is connected to the positive terminal of the battery
3. it is preferable to classify materials as poor conductors and good conductors as most of the items on this Earth are conductors.
4. we can see the electricity like waves or lightning strikes in the conducting sollution
5. don't know this one, sorry
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