Respuesta :
Even though we might be inclined to use both of them, the one that would explain it best is a timeline where variables like time and consequences might be reflected. So i would incline more to the option A. Timeline.
Answer: The answer is (a) Timeline.
Step-by-step explanation: We are given four options out of which one is the cause and effective graphic organiser that best identifies why we use gasoline in our cars today and what we might use as fuel in the future.
The best option is Timeline, because they show the order of events, an event's place in history and identify events which lead up to, or cause, other events.
Flowcharts does not serve the purpose, because they do not clearly identifies the cause.
Thus, the correct option is (a).