Name of scientist that divided elements into 4 catagories

I believe the answer is Mendeleev

Mendeleev

Explanation:

c

explanation:

i believe the answer is c and this is only worth 10 points you might wanna change it

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.