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

Bernadette is at the turtle tank. There are 32 green (g) and yellow (y) turtles in the tank. There are 3 times as many yellow turtles as green turtles. Using th
If the measure of angle 3 = (4x + 20)° and measure of angle 5 = (6x + 10)°, what value of x proves that r || s?
Mr.Johansson's truck weighs 3 tons. How many ounces does it weigh
Simplify (343) 1/3 a)21 b)19 c)49 d)7
A paperweight in the shape of a rectangular pyramid is shown:If a cross section of the paperweight is cut perpendicular to the base and passes through the top v
PLEASE HELP what were some major works of Dante Thanks
Are 14 and 17 a big age difference in relationships?
Need the answer, anyone know?
pls help show steps pls
The breakup of Pangaea began during the Cenozoic Era.