What experimental evidence supports the idea that conducting materials have freely moving electrically charged particles inside them

Layer of glass rod rubbed with silk.

Explanation:

Some of the atoms in the surface layer of a glass rod positively charged by rubbing it with a silk cloth have lost electrons, leaving a net positive charge because of the unneutralized protons of their nuclei. A negatively charged object has an excess of electrons on its surface.

co2reflects heat radiation back to earth buning coal and oil emits co2 globe warms

multiply 2kg by latent heat of vap