lkanan98p0eg20 lkanan98p0eg20
  • 03-12-2017
  • Biology
contestada

What makes up 21 percent of the earths atmosphere

Respuesta :

bossloveswag bossloveswag
  • 03-12-2017
  the answer is 21% oxygen, 
Answer Link
calliebmee1
calliebmee1 calliebmee1
  • 03-12-2017
21% oxygen.................................
Answer Link

Otras preguntas

How many combinations of 5 students can a teacher choose from 24 students? A. 5,100,480 B. 42,504 C. 7,962,624 D. 120
4(3-5)=-2(8-z)-6z what is z
lya took one hour to drive from his apartment to Philips Arena and back. The return drive took 8 minutes less than the trip to the arena. If x represents the ti
A standard coffee mug has a capacity of 16 fluid ounces. If Annie needs to fill 26 mugs with coffee, how many total quarts of coffee does she need?
In the years preceding World War I A)world tensions declined. B)military expenditures decreased. C)imperialistic ambitions seemed to decline. D)there was a s
Complete the sentences with seem, look or sound and use like or as if when necessary. 1) Quick! Emma's an the phone. She... she's calling from a long way away.
How do you write fifty-seven thousand,eighteen. In standard form
(3x^2 + 2x -2) + ( -2x^2 + 5x+5) My answer 5x^2 + 7× +7 Am i right
an explanation describe if a square-eyed pet mates with another square-eyed pet, can they have any round-eyed offspring.
what is the position of 9 in the number 932,805? A. The ten-thousands place B. The hundred-thousands place C. The hundreds place D. The ones place