I believe an atom. may be wrong, science is not my strong suit
The answer would be a tenfold increase<span>
The pH scale is calculated based on the concentration of H+ ion in the solution. The formula is using log10, so to decrease 1 unit from the scale it will be 10^1= 10 fold of increase. For 2 </span>unit, you will need 10^2= 100 fold of increase.
Answer: Motion, providing a burst of power that can move a specific part of the device.
Explanation: Hope this helps
