Which statements are correct do not guess

which statements about the circuits are correct? check all that apply.

circuit a is a series circuit.
circuit b is a series circuit.
the bulbs in circuit a shine brighter than those in circuit b.
the total resistance in circuit a is greater than that in circuit b.
when a bulb in circuit b goes out, the other bulbs go out.
when a bulb in circuit a goes out, the other bulbs keep shining.