The correct answer is B mainly because the independent variable A and the dependent variable C and independent variable B and dependent variable has two different solution and would have to be graphed on different scatterplots.
Answer:
Seat belts have been keeping us more safe than without them. They have been keeping us safe and preventing us from the major effects of a car crash. Of course people die but people get a little less of the damage like your head banging into the steering wheel or flying out the front window from the back image. For some smart cars, when it stops it holds the seat belt back from moving in order to protect you.
I really hope this helped you, if so then please mark brainliest.