The letter Ne with eight dots. Because it is a Noble Gas, it has eight valence electrons.
Answer:
It continuously decreases.
It is tasteless and colorless.
If there is an increase in industrial activity, that means that more heat will be dissipated to the atmosphere in the form of carbon dioxide. Industrialization requires fuel to keep the processes on the go. At the end of the pipeline, the combustion of fuel would result to carbon dioxide released to the atmosphere. That's how it is contributing to the global climate change through the greenhouse effect.
