Electromagnets can be turned on and off and can conduct electricity. They are made by coiling wires, and when the electricity is passed the atom lines up.
<h3>What is electromagnetism?</h3>
Electromagnetism studies electromagnets, their behavior, and their uses. Electromagnets are made by coiling the wires that pass the electric current through them making the atoms to line up.
When the charges move across the wires then the magnetic field is created which results in magnetism. The north and south pole like the magnets are created that attracts and repels.
Therefore, electromagnets are studied in electromagnetism.
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In the last sentence of the first paragraph, the author repeats the word "presumably" in order to.
- Undermine a view that he will go on to dispute in his argument
<h3>What is Repetition?</h3>
This refers to the repeated use of a word or phrase in a given sentence or context, usually for dramatic effect.
With this in mind and from the complete text, we can see that the connotative meaning of the word "presumably" to show that what was being said was not certain and this is used to undermine a view that he would go on to dispute in his argument.
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In the sentence the underlined part, who is running for mayor, is a <u>nonrestrictive clause.</u> The correct options are B and C.
<h3>What is a non-restrictive clause?</h3>
A non-restrictive clause is a clause that adds additional information about the subject or proper noun.
Commas are used to write a non-restrictive clause, which shows this is additional information.
Thus, the correct options are B and C.
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