The components of the Earth's atmosphere and the importance of them

Do you know what is the Earth's atmosphere ?

 

You should know that the Earth's atmosphere is composed of a mixture of the different gases that make the life on the Earth possible .

 

The components of the atmosphere

 

You should know that the atmosphere is  composed of oxygen gas , water vapour , nitrogen gas , carbon dioxide , and  the other gases that occupy 0.97 % of the air volume .

 

Oxygen gas

 

It is very important gas that represents 21 % of the air volume .

 

You should know that the photosynthesis process in the green plants is the main source of the oxygen gas on the Earth .

 

What is the importance of the oxygen gas 

 

The oxygen gas is very important and necessary for the respiration process , and  burning of the fuel . 

Oxygen gas is necessary for the respiration process .

oxygen gas helps the divers in the respiration process under the water surface .

oxygen gas is used in diving .

We use oxygen gas with acetylene in cutting and welding of the metals .

Oxygen gas is used in cutting and welding the metals .

Carbon dioxide gas 

 

You should know that carbon dioxide gas  represents about  0.03 % of the volume of the atmosphere .

 

We can use the lime water to test the presence of  carbon dioxide gas .

 

The importance of the carbon dioxide gas 

 

We use  the carbon dioxide gas in making soda water . 

Carbon dioxide gas is used in making soda water .

We use it to make fire extinguishing equipment as carbon dioxide gas does not burn , and does not help in burning .

Carbon dioxide gas is used in making fire extinguishing equipment .

In photosynthesis process , the green plants take the carbon dioxide gas , and give out the oxygen gas .

In photosynthesis process , The plants take carbon dioxide gas and release oxygen gas to make their own food .

Nitrogen gas 

 

It is the most  abundant gas in the air .

 

It is 78 % of the volume of the atmosphere .

 

The importance of nitrogen gas 

 

In the combustion process , Nitrogen gas reduces the effect of the oxygen gas .

 

We use it in the industry of the ammonia and some nitrogenous fertilizers .

Nitrogen gas is used in making some nitrogenous fertilizers .

Water vapour  

 

 It is found in a small ratio in the atmosphere .

 

The humidity increases in the coastal regions . It depends on the amount of the water vapour  that represents in the air .