Which of the following is an example of the strong nuclear force acting in an atom?
A. A proton attracting a neutron
B. A neutron repelling a proton
o
C. A proton repelling an electron
a
D. An electron repelling another electron

explanation:

a fuel engine ( known as a gasoline engine in american english )is an internal combustion engine with spark ignition, designed to run on petrol (gasoline) and similar volatile fuels.

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 part of the wave he is travelling on is the crest