For any substance, when describing vapor pressure, three of the four factors either increase or decrease together. That means, when one goes up, so do the other two. But one factor reacts inversely; when the other three go up, goes down.

is it a purebred? it looks more like a red nose, but it doesn't have the red could it be a staffordshire bull terrior? unsure if that's the right name for it sorry

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error