Plls answer thiss ...
its about the reading of VOLTMETER AND AMMETER

The particles of the gas inside the ball heats up, bouncing off each other and spreading farther apart.hope my answer has you : )

The chemical reactions lab we did is typically called a "copper plating lab,  because the acid solution cleaned the pennies and made the copper look shinier;   the acid solution cleaned the paperclips and made them look like pennies;   &   the copper from the pennies was removed, and then added to the paperclips. 

Answerit decreases;

Your answer would be the sun