proudmarinemom4012 proudmarinemom4012

15-03-2018
Chemistry

contestada

Which planet has an atmosphere composed mainly of nitrogen (78 percent) and oxygen (21 percent)?

Respuesta :

sassygirl363 sassygirl363

15-03-2018

Earths atmosphere is composed of 78 percent nitrogen and 21 percent oxygen.

Answer Link

Otras preguntas

how to look up information if you only have a partial license plate and make of car?

Which of the following is true of memory in late adulthood? (Select all that apply.)1. Older adults take longer to retrieve information about the world but ofte

The first codes of law are written down. Democratic governments pass laws to protect human rights. Which statement best completes the diagram showing the develo

If you are driving slower on a two lane road and _____ or more cars are following you, you must pull to the side and let them pass.

Robert is 6 years older than his brother Mike. In three years he will be twice as old as Mike. How old are each of them now?Also show the work on how to do this

If the magnitude of a positive charge is tripled, what is the ratio of the original value of the electric field at a point to the new value of the electric fiel

Which sentence best describes the effect of the delegates' actions on European geopolitics?A. France was effectively contained by strong neighboring powers.B. P

Thomas needs 5.5 pounds of beef to make meatballs. He has 2.75 pounds of beef at home. What is the total number of pounds of beef that Thomas needs to buy?

How many ways can a person toss a coin 13 times so that the number of tails is between 7 and 9 inclusive

Which psychological perspective examines how the brain and the nervous system affect behavior