conchamp1968
Answered

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47. Nitrogen makes up approximately 3 of the earth's atmosphere, and oxygen makes up about of the atmosphere. How much of the atmosphere is made up of nitrogen and oxygen together? ?​

Sagot :

twoweeks

Answer:

about 98 percent

Step-by-step explanation:

about 78.09% of the atmosphere is nitrogen and 20.95% of oxygen so when we add 78 and 20 we get 98% .Therefore about 98%of the earth is composed of nitrogen and oxygen

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