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.
Mac Evolution. 13 February 1998. It's well known that the human brain accounts for about 20% of the total oxygen consumption when a person is at rest, so let us assume that the brain accounts for 20% of the total body energy consumption.. 20 W.