d) the only thing that can increase real GDP is an increase is output
hope this helps!
It's actually C because the rock cooled fast
For starters, I would get the same height for each paper, such as a counter top. Then, I would make said paper. You would use a timer of course, maybe even something like a speed gun to calculate the speed as said paper falls. You would push each paper off the counter top and calculate the speed for each paper. This is the easiest way to prove your hypothesis.
It is an ensemble of similar cells
