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I believe the most appropriate answer would be to change the core from wood to iron. This is because iron is a magnetic material while wood is not magnetic hence cant acquire magnetism. Other factors that would increase the strength of electromagnet would be; increasing the amount of electric current, and increasing the number of windings.
Answer 19.9g. I’ve took the test last week at my uncle randy’s house
I cannot see it can you make it bigger by any chance dm me on Instagram
Answer:
used=Evaporation and sublimation
released=condensation and freezing
Explanation: