Hypothesis, is the answer
Answer:
this is because Steel is more difficult to magnetise and demagnetise but an iron core makes a temporary electromagnet because its lose its magnetism when the switch is open and and steel core is used to make a permanent electromagnet
Answer:
id choose false because one can argue which are the best operas its opinion based and as for him being a child prodigy I personally say he wasn't one
Fat; they store twice as much energy per gram
