Atoms of different elements can join together in arrangements to produce a variety of substances that are found on Earth. There are more than a hundred
known elements. Which of the following best describes these elements?
F. Most of these elements are metals.
G. Most of these elements are metalloids.
H. Most of these elements are nonmetals.
I. Most of the these elements are noble gases.

i don't know that i agree with that but what's the question ?

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.

battery with hi vtge high val resist in series