Earth’s Oxygen Levels Continue To Decline
For the last 800,000 years , the amount of atomic number 8 in the atmosphere has declined by about 0.7 percent . It ’s not enough to cause hurt to lifeforms , but enough to stick scientists . In a novel study , published inScience , researchers from Princeton University look at air bubble trap in ancient shabu in Greenland and Antarctica . The team guess the past atmospheric pressure of atomic number 8 by measure the ratio of O to nitrogen in these prehistoric bubbles ....