Trees absorb Carbon Dioxide (CO2)
trees release oxygen that we use to breathe. the trees take in carbon wich is what we breathe out.
The gas given out when coal burns is carbon dioxide (CO2).
molecues
Hydrogen
A common name for the mixture of liquid and gas is a vapor.
Condensation
The solar system
When a substance is liquid and it changes to gas, we call that boiling.
The gas chambers were given various euphemisms. Since the war they have generally been referred to by the by the building in which they were contained; the crematoria.
The name given to the temperature at which a gas turns into a liquid is the "condensation point" or "boiling point," depending on whether the transformation is from gas to liquid due to cooling or heating, respectively.
The gas that a living organism releases as a byproduct of respiration is carbon dioxide.
Effervescent, I believe.