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No, oxygen in the atmosphere is important, because animals and plants cannot photosynthesize in the dark.

Oxygen forming ozone is important because DNA is damaged by what ozone absorbs, so it allows organsims without ring DNA, the ability to process telomerase whole-body, or multiple copies of their DNA in each cell, to survive. But life could exist without it, in fact there are RNA-based cells above the ozone layer.

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Q: Is Free oxygen in the atmosphere important to the development and maintenance of life on Earth because oxygen can form ozone and block some UV radiation?
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Related questions

What is the important gas in the atmosphere that asorbs the sun's radiation?

The ozone!!!


What is the important gas in the atmosphere that absorbs ultraviolte radiation from the sun?

The ozone gas is the important one in atmosphere. It is present inside the stratospheric region of atmosphere.


What is the important gas in the atmosphere that absorbs ultraviolet radiation from the sun?

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The most important are water vapors.


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Why is the upper atmosphere so important?

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Not all the radiation is absorbed in the earth's atmosphere called the troposphere.


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Ozone is a type of oygen that sheilds us from some of the harmful sun radiation such as ultra violet radiation . It is found in the upper layers of the atmosphere


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