Explore this cemetery for graves, information and tombstones for names in Sterling Cemetery in Sterling, Kansas, a Find A Grave Cemetery.
It is estimated that about 50% of the world's oxygen is produced via phytoplankton photosynthesis. The rest is produced via photosynthesis on land by plants. Furthermore, phytoplankton photosynthesis has controlled the atmospheric CO 2 / O 2 balance since the early Precambrian Eon.
Nitrogen makes up about 78% of it, and oxygen makes up about 21% of it. In the event you don't have â¦your calculator, that's about 99% of the atmosphere.   The other gases present and their quantities are: argon - 0.934%, carbon dioxide - 0.038%, water vapor - about 1%, and all the others make up about 0.002%.   The latter half of the information is mined from Wikipedia.