Can you identify a sample from a living organism by examining it under a microscope? Yes or No

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?

How much carbon is stored in the atmosphere as co2