increments are the numbers that your going by on a line graph like ur going by 5's and so on
Each increment or step on the pH scale is 1 order of magnitude or 10 times the previous step.
its a scale showing the amount of acid or alkaline in a object I THINK
A set of scales.
It depends on what the scale you want to change is. That being said you have to know how each scale is constructed. Here are the intervals of each scale: Major scales - T T st T T T st Natural Minor...