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Why is oxygen gas important to the atmosphere?

Answer 1

Oxygen is used in respiration of human beings and animals.moreover when we exhale CO2 this is used by plants which gives us oxygen..

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Answer 2

Natalie Ahrens

Oxygen gas is important to the atmosphere because it is essential for respiration in most living organisms, including humans. It also plays a crucial role in the process of combustion, which is vital for energy production and various industrial processes. Additionally, oxygen helps to maintain the ozone layer in the stratosphere, which shields the Earth from harmful ultraviolet radiation from the sun.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.