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

5 spaniiisshhhh quuuuestiiooonnnnssssssss
Which of the following forests is being defined below? _________ forests lose their leaves seasonally. A. Tropical B. Deciduous C. Coniferous D. Mixed]
I’m geometry is a line a defined term or undefined term?
For a true cultural relativist morality is regarded as nothing more than
Grace knew her speech backwards and forwards. she rehearsed it over and over again and timed it to make sure she didn't run over the time limit. when she actual
What did internationalists believe the United States should do about the war?
Electro conclusive therapy was developed as a way to prevent the seizures experienced by schizophrenic patients. T or F?
Two mechanics worked on a car. The first mechanic charged $85 per hour, and the second mechanic charged $120 per hour. The mechanics worked for a combined to
Line JK passes through points J(–3, 11) and K(1, –3). What is the equation of line JK in standard form?
think about how the author structured the article you just read then answer the question what type of text structure does the author use in this article