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According to most earth science curriculums, the four functions of the atmosphere are:

* To let in light * To provide oxygen * To re-radiate heat * To shield the earth from ultraviolet rays and foreign objects

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Do you need atmosphere to breathe?

Yes, humans need a specific mixture of gases in the atmosphere, including oxygen, to breathe and survive. Without a sufficient amount of oxygen in the air, the body cannot adequately function, leading to potentially serious health consequences.


Why is there no hydrogen in the atmosphere?

Hydrogen is very light and can escape the Earth's atmosphere easily due to its low mass and high velocity. Additionally, solar radiation can break down hydrogen molecules in the upper atmosphere, allowing the hydrogen atoms to escape into space.


What plays a main role in forming earths atmosphere?

The main components of Earth's atmosphere are nitrogen (about 78%) and oxygen (about 21%). Other gases, such as carbon dioxide, methane, and water vapor, also play important roles in the composition and function of the atmosphere. Factors such as geologic processes, biological activity, and human activities influence the composition and dynamics of the atmosphere.


Which spheres are zones of Earth's atmosphere?

The Earth's atmosphere is divided into five main layers or spheres: troposphere, stratosphere, mesosphere, thermosphere, and exosphere. Each sphere has unique characteristics in terms of temperature, composition, and function.


What is the function of the atmosphere and ozone layer?

The atmosphere acts as a protective barrier, regulating temperature and providing the air we breathe. The ozone layer, located in the stratosphere, absorbs and shields the Earth from harmful ultraviolet radiation from the sun, protecting living organisms from its damaging effects.

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