Seudónimo
Seudónimo
13-05-2021
Chemistry
contestada
what is the percentage of oxygen in air
ASAP...
Respuesta :
Аноним
Аноним
13-05-2021
Explanation:
21 % of oxygen is present in air .
hope it is helpful to you
Answer Link
VER TODAS LAS RESPUESTAS ( 49+ )
Otras preguntas
A new object, Object Y, was discovered outside our solar system. Object Y is small and rocky, is not a satellite of any other object, and it does not have enoug
perimenopause ____. a. is marked by limited changes in reproductive hormones b. occurs five to eight years after the final menstruation c. is the period after
How did northerners view the civil war once it began? it was a chance to punish the south after decades of political rivalry. it provided an opportunity to inte
URGENT MATH HELP!! WILL MARK BRAINLIEST!! GIVING 25 POINTS!! CORRECT ANSWERS ONLY!!! Question 1 A cooking show currently has about 223,000 regular viewers. Th
A band selects 404040 ticket-holders at random from each concert to win t-shirts. The band knows that 55\%55%55, percent of the ticket-holders buy their tickets
The Taliban remained in power in Afghanistan until 1996. 1990. 2012. 2001.
true or false: b) If a line contains a center of a circle, it is a secant of the circle. (c If 2 chords intersect a circle, they intercept equal arcs. d) If a l
Provide the expressions for the equilibrium constant Keq: CH4(g) + 2H2SE(g) ⇄ 4H2(g) +CSe2(g)
Read the excerpt from "A Quilt of a Country." America is an improbable idea. A mongrel nation built of ever-changing disparate parts, it is held together by a n
Determine if the graph is symmetric about the x-axis, the y-axis, or the origin. r = -2 + 3 cos θ Select one: a. No symmetry b. y-axis only c. x-axis only d. O
