A student proposes this hypothesis in class: "If I make the angle of a ramp steeper, then a ball rolling down the ramp will be g
oing faster when it hits the ground.” Which part of a hypothesis should the student add to this that could also be tested in other experiments?
an explanation based on prior scientific knowledge or observations
an explanation of how the hypothesis will inspire new questions
an independent variable that the student controls during the experiment
an independent variable that is affected by the other experimental variable
Well in the population from births and death it’s often combined and referred as natural increase or change, populations grow or shrink depending on if they gain people faster than lose them.
