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

Otras preguntas

A model ship is 28 in. by 65 in. Use the scale 1 in. : 1/2 ft to find the dimensions of the actual ship A.28ft by 65ft B.84ft by 195ft C.14ft by 65ft D.14ft by

It is estimated that each guest at a party will eat 2/3 pounds of chocolate. How many guest can be served with 6 pounds of chocolate

I have (must)_________the bus. arriver attendre passer marcher

Which passage from the Declaration of Independence reflects the Enlightenment idea of the rule of law?

Forty trucks and SUVs participated in a 30 mile race. The average driving speeds of the trucks and SUVs were recorded. Two random samples of 11 each were taken.

In the condition of market equilibrium. A. There is no shortage or surplus of goods and services . B. Inflation is in check . C. There is a surplus of goods an

Stress surrounds us on a daily basis. Which of the following statements BEST describes ways to reduce or handle stress? A. Handling stress effectively involves

what was one effect that Alexander the greats conquest

In degrees Fahrenheit, what is the temperature range of the Danger Zone?

the experimental probability a player will move 2 spaces and 5 spaces during a game?