The general concepts found in this section are: 1  The earth's atmosphere is a very thin layer wrapped around a very large planet. 2  Two gases make up the bulk of the earth's atmosphere: nitrogen (), which comprises 78% of the atmosphere, and oxygen (), which accounts for 21%.
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Iâm (hopefully) creating a term: âstartup projectâ. A startup project is a project done on the side, not setting up a company, with or without partners, with the intention of one day becoming a startup. I donât have a startup, but I have many startup projects. Many silly little ideas with great aspirations.