A. physical change
Look at the way water freezes and changes to ice<span>. The matter is still going to be the same. its just the physical property that changed.
<u>PHYSICAL= TEMPORARY</u>
<u>CHEMICAL= PERMANENT</u></span>
True as the independent variable is over the dependent variable and controls it as the dependent relies on the independent.
That measure is known as "acceleration"
a = ΔV / t
Hope this helps!