Answer:
It should be B
Explanation:
I hope this helps! I am so sorry if I am wrong
The correct answer is 1.
An electromagnet is type of magnet in which a magnetic field is produced by an electric current.
However, the magnetic field disappears when the current is turned off. Therefore, it does not function without a source of current.
Answer:
Volunteer work is important for your health. The Corporation for National and Community Service says that volunteering improves psychological and physical health. Volunteers reap the benefits of feeling a personal sense of accomplishment while building social networks that, in turn, support them in times of stress.