colemanjohanna colemanjohanna

16-03-2020
Chemistry

contestada

More than three fourths of the air we breathe is oxygen

Respuesta :

NightHawk2145 NightHawk2145

13-10-2020

Answer:

False.

Explanation:

The Earth's atmosphere is composed of 78% Nitrogen & 21% Oxygen. The other 1% varies.

Answer Link

ACCESS MORE

Otras preguntas

what effect did the punic wars have on small roman farmers? grain from conquered lands drove down grain prices. grain from conquered lands drove up grain prices

Who was crowned emperor of the West in 800 CE? A. Belisarius B. Augustus C. Sophia D. Charlemagne

In Forsyth County v. Nationalist Movement, 1992, which limitation on public gatherings was struck down by the Supreme Court? A. prohibiting protests on nation

Which statement best explains the octet rule?

in "sympathy," what does the caged bird symbolize? a. freedom b. health c. captivity d. sickness

a problem states: "there are 5 more girls than boys in a class. there are 27 students in the class in all. how many boys are there in the class?" what are the u

The girls basketball team has won 3/4 of the games they have played this year. If 1/2 of the win were on their home court, what fraction of all their games did

Christmas Day Tsunami. Can you help me name 3 steps that have been taken since the Christmas Day Tsunami?

Distinguish between speed and velocity.

101/25converted to a mixed number