JillianVelvet JillianVelvet

25-05-2020
Health

contestada

for human survival, approximately what percentage of air must be oxygen?

Respuesta :

Аноним Аноним

25-05-2020

Answer:

20.9 percent

Around 78% of the air is nitrogen gas, and only 20.9% is oxygen.

Explanation:

20.9 percent

Around 78% of the air is nitrogen gas, and only 20.9% is oxygen.

Hope this helps.

Answer Link

alaczko1 alaczko1

26-10-2020

20.9 around 78 percent nitrogen only 20.9 for oxygen

Answer Link

Otras preguntas

The chief judicial weapon in the government's system of checks and balances is known as

The fugitive slave act of 1850 question 7 options: could be used to punish those who helped runaway slaves. made runaway slaves free. was not controver

The farthest distance a satellite signal can directly reach is the length of the segment tangent to the curve of Earth's surface. The diagram is not drawn to sc

which of the following nations has a federal government? a. japan b. great britain c. united states d. france

(4,1) and (-4,1) are they undifined

there is no biologically pure racestrue false

What is 76 thousandths as a decimal?

hey:) can you please help me posted picture of question

Johnny is eight years old. he likes to play with other little boys, but has no interest in playing with little girls. according to freud, he is in the _________

When american dating couples wrestle with conflicts, those partners with a(n) ________ tend to see each other as engaging constructively. type a personality low