B. The number of field lines on the source charge.
The implication is that tilted sedimentary layers observed to day mist have been subjected to tectonic forces
The answer would be B.
Since the light source comes from the bottom, you just need to find the sequence from the bottom going up.
It will start with the light source, then go through the slide, which will then go through the objective lens and lastly, the eyepiece lens. In summary, the sequence is:
B. Light --- slide ---- objective lens --- eyepiece lens
Transform boundary
is the answer from stemscopes
A substance which allows the un-interrupted flow of electric current is called an electric conductor
