the earth 's atmosphere is made of 23133 percent oxygen by mass & the space 's respiration is made of 1288 cracking passengers by want & the earth 's atmosphere is made of 036 percent carbon dioxide by volume & the earth 's atmosphere is made of 0 to 4 percent hydrogen / water vapor by volume & the earth 's atmosphere is made of 78 percent nitrogen by mass ->  earth's atmosphere is made of nitrogen, oxygen, water vapor, argon, and carbon dioxide