Question 4 1 pts In the U. S., consumers have choices for which pizza company to order from. They make these choices based on quality and price. The reason they have this choice is because of what characteristic in the U. S. economy? O Free Market Competition Private Property O Profit Motive​

adding a(n) to an electric circuit would increase the magnetic field around a wire;

b. solenoid

a solenoid is a type of electromagnet whose purpose is to generate a controlled magnetic field.

if the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.

the awnser is d you right bro