ali8beshamtay ali8beshamtay

20-04-2016
Chemistry

contestada

Besides primary gases, there are trace and variable gases that make up ____ of the atmosphere. A.1% B.21% C.50% D.78%

Respuesta :

gudetama gudetama

20-04-2016

It is 1% because 21% oxygen + 78% nitrogen = 99% of atmospheric gas. 100% = 99% + 1%

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IlaMends IlaMends

15-04-2019

Answer:

The correct answer is option A.

Explanation:

Percentage of nitrogen gas in an our atmosphere = 78%

Percentage of oxygen gas in an our atmosphere = 21 %

Percentage of other gases =100% - 78% - 21% = 1%

Our atmosphere is majorly constituted by nitrogen gas that 78 % and oxygen gas with 21 %. Remaining gases present in our atmosphere are present by 1%.

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