Answer:
the answer is D hope this helped
C. oil - warning light
If you see the light light up, then it means that the oil is low, which means that you will have to refill it.
hope this helps
Hi Thaddeush13,
Biases - " lacking a neutral viewpoint, or not having an open mind".
The potential biases that could hapen in this experiment are different intakes or types of coffee. For Example, Cold, Hot, Caramel. And each as a different size. Sugar intake is also another problem here.
