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:
a design is how something is and how it looks. and a method is how you could solve something like a math problem.
Explanation:
im sorry if this does not help you.
<span>And of a large group of organized compounds occurring in foods and living tissues. </span>