Which of the following accurately describes circuits

In a series circuits, the current can flow through only one path from start to finish - accurately describes circuits.

It is a series circuit, the current can flow through only one path from start to finish - accurately describes circuits.

Explanation:

I don't know the option but it is also the correct one.

it has to be b, about 97 percent.

one person pulls 90n one way and the other has 100n pulling the other way.

so the net force = 90 - 100 = -10n,

or the ans can be 10n if the picture shows -90n and 100n instead.