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Q: Which process in living things evolved as oxygen levels increased in earths atmosphere?
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How has the earths atmosphere changed?

The earths atmosphere has significantly altered over the years. The process of the earth's atmosphere was recognized and evolved 2.7 billion years ago, forming the nitrogen-oxygen atmosphere that exists today. This change enabled the formation and beginning of the ozone layer (which along with magnetic fields) block solar radiation.


What are the advantages of using a spectroscope?

it has increased vision since its out of earths atmosphere


What process adds oxygen to earths atmosphere?

Photosynthesis


What is main cause of earths atmosphere changing over time to support life?

Green plants evolved adding oxygen to the atmosphere.


Which process producer most of the oxygen in earth's atmosphere?

The process that produces most of the oxygen in Earths atmosphere is photosynthesis. Plants use this process to create food.


How did earths atmosphere change during precambrian time?

The amount of oxygen increased greatly


What greenhouse gas produced by humans activities has dramatically increased in earths atmosphere?

CO2; Carbon Dioxide


How has earth atmosphere changes since it first formed?

The earths atmosphere has significantly altered over the years. The process of the earth's atmosphere was recognized and evolved 2.7 billion years ago, forming the nitrogen-oxygen atmosphere that exists today. This change enabled the formation and beginning of the ozone layer (which along with magnetic fields) block solar radiation.


How would earths atmosphere be different if organisms capable of photosynthesis not evolved?

It will remain as reductive atmosphere. Ther will be only gases like NH3, H2 , H2S. H2O. There would be no life


What do you think earths atmosphere would be like today if life had not evolved on earth?

Almost no oxygen, lots of CO2, still mostly nitrogen.


Which Process of water cycle provides most of the water vapor in earths atmosphere?

Evaporation from the ocean


What is the name of the process used by the telescopes on earth that allowed them to overcome the effect of the atmosphere blurring caused by the earths atmosphere?

Adaptive Optics/AO.