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What is the difference between the earths atmosphere and the earths gravity?
The two are completely unrelated.
What are the two dominant elements in the atmosphere?
oxegen and nirogen
What are the 2 dominant elements in Earth's atmosphere?
The two dominant elements in Earth's atmosphere are nitrogen and oxygen. Nitrogen makes up about 78% of the atmosphere, while oxygen accounts for about 21%.
What two gasesmake up most of earths atmosphere?
Nitrogen and Oxygen
What were two of the dominant gases in Earth's second atmosphere?
Oxygen and nitrogen were two dominant gases in Earth's second atmosphere. Oxygen levels were much lower than they are today, while nitrogen constituted a significant portion of the atmosphere even then.
What two gases make up approximately 99 of earths atmosphere?
Nitrogen and Oxygen.
What are the two most abundant gases in earths atmosphere presently?
The two most abundant gases in Earth's atmosphere are nitrogen (about 78%) and oxygen (about 21%).
What are the two gases that existed in earths earlier atmosphere?
The original atmosphere of earth contained primarily ammonia and methane, very similar to the atmosphere on Venus and Jupiter today.
Earths atmosphere is dominated by which two gases?
Nitrogen and Oxygen are the two main constituents of air.
The earths atmosphere is dominated by which two gases?
Nitrogen (N2) - 78% Oxygen (O2) - 21%
What two things does momentum count on to keep in act?
Outside earths atmosphere its Gravity, and on Earth its Mass and Velocity.
What two things shot from the sun strike the earths atmosphere?
Electromagnetic waves (including light); solar wind.
