What is Earth's atmosphere made of?

Answer The Earth's atmosphere is composed primarily of nitrogen, oxygen and argon. The primary element is nitrogen which accounts for approximately 78 percent of the elements. Oxygen accounts for 21 perce... Read More »

Top Q&A For: What is Earth's atmosphere made of

What is the atmosphere made of on Saturn?

The atmosphere of Saturn is made up of about 97 percent hydrogen and 3 percent helium, with trace amounts of methane, ethane and other gases. According to data gathered by the Cassini spacecraft, S... Read More »

What was Earth's primitive atmosphere made of?

Many scientists believe that Earth's early atmosphere likely contained ammonia, hydrogen, helium, methane and carbon dioxide. There is agreement that free oxygen was not present in the earliest atm... Read More »

Does Earth have an atmosphere made mainly of nitrogen?

The atmosphere of Earth is made up mainly of nitrogen. The composition of the atmosphere is 78-percent nitrogen, 21-percent oxygen and 1-percent argon. There are also trace amounts of water, carbon... Read More »

Does the Earth have an atmosphere made mainly of carbon dioxide?

Carbon dioxide is a minor component of the Earth’s atmosphere, with oxygen and nitrogen constituting about 99 percent of the atmosphere. Although the percentage of carbon dioxide in Earth’s atm... Read More »