Select the correct answer. Which statement about an electromagnet is true?
OA. It doesn't function without a source of current.
ОВ.
The core is made from a nonmagnetic material.
OC. It uses moving magnets to create an electric field.
OD
It creates a permanent and strong magnetic field.

Select all the correct answers. why do authors use rhetorical devices in essays?

Johnny just received a failing grade on his science exam. lucy oversaw johnny’s paper, and she asked him about it. johnny snapped at her shouting, “it’s none of your business! ” which of the following is the psychological response johnny exhibited towards lucy? select one: a. dismay b. irritability c. hesitation d. hopelessness

Martin luther king jr often spoke of a day in the future when he hoped that his children would be judged not by their skin color but instead by their character. write a narrative essay about a moment in your life when you were judged by something other than the content of your character. use narrative techniques to develop experiencies, events, and characters